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Слова на букву du b-extr (2629)

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enkephalins
Pentapeptide endorphins, found in many parts of the brain, that bind to specific receptor sites, some of which may be pain-related opiate receptors; hypothesized as endogenous ...
enlargement
1. An increase in size; an anatomic swelling, e., or prominence. 2. An intumescence or swelling. SYN: intumescentia [TA], intumescence (1). - cervical e. [TA] a spindle-shaped ...
enol
A compound possessing a hydroxyl group (alcohol) attached to a doubly bonded (ethylenic) carbon atom (–CH=CH(OH)–); properly italicized when attached as a prefix or infix to ...
enol pyruvate
CH2=C(OH)–COO−, the form of pyruvate encountered in the biologically important phosphoe.pyruvate (e. pyruvate phosphate), not in the free form.
enolase
An enzyme catalyzing the reversible dehydration of 2-phospho-d-glycerate to phosphoenolpyruvate and water; a step in both glycolysis and gluconeogenesis; several isozymes exist; ...
enolization
Conversion of a keto to an enol form; e.g., CH3—CO—COOH → CH2=C(OH)COOH.
enophthalmia
SYN: enophthalmos.
enophthalmos
Recession of the eyeball within the orbit. SYN: enophthalmia. [G. en, in, + ophthalmos, eye]
enorganic
Rarely used term denoting that which occurs as an innate characteristic of an organism.
enostosis
A mass of proliferating bone tissue within a bone. [G. en, in, + osteon, bone, + -osis, condition]
Enoxaparin
A low-molecular-weight version of heparin which acts like heparin as an anticoagulant (anti-clotting) medication. Enoxaparin is used to prevent thromboembolic complications ...
enoyl
The acyl radical of an unsaturated aliphatic acid. [ -ene + -oyl]
enoyl hydrase
SYN: enoyl-CoA hydratase.
enoyl-ACP reductase
An enzyme catalyzing hydrogenation of acyl-ACP (where ACP is acyl carrier protein) complexes to 2,3-dehydroacyl-ACP's, with NAD+ as hydrogen acceptor; important in fatty acid ...
enoyl-CoA hydratase
Δ2-eEoyl-CoA hydratase; an enzyme catalyzing a reversible reaction between an l-3-hydroxyacyl-CoA and a 2,3- (or 3,4-) trans-enoyl-CoA in fatty acid degradation. SYN: ...
enoyl-CoA reductase
SYN: acyl-CoA dehydrogenase (NADPH).
ensiform
SYN: xiphoid. [L. ensis, sword, + forma, appearance]
ensisternum
SYN: xiphoid process. [L. ensis, sword, + sternum]
ensu
Acronym for equivalent normal son unit, that amount of information from any source (linkage, carrier, phenotype, etc.) that will have the same impact on the conditional ...
ENT
Abbreviation for ear, nose and throat. An ENT physician is a medical specialist who is concerned with the diagnosis treatment of disorders of the head and neck, including ...
ent-
See ento-.
entactin
A glycoprotein that binds to laminin and type IV collagen in the basal lamina of the renal glomerulus and is a major cell attachment factor; e. is a sulfated calcium-binding ...
entad
Toward the interior. [G. entos, within, + L. ad, to]
ental
Relating to the interior; inside. [G. entos, within]
entamebiasis
Infection with Entamoeba histolytica. See amebiasis, amebic dysentery.
Entamoeba
A genus of ameba parasitic in the oral cavity, cecum, and large bowel of humans and other primates and in many domestic and wild mammals and birds; with the exception of E. ...
Entamoeba histolytica
The agent of amebic dysentery, a disorder with inflammation of the intestine and ulceration of the colon. Entamoeba histolytica is a single-celled parasite that is transmitted ...
enter-
See entero-.
enteral
Within, or by way of, the intestine or gastrointestinal tract, especially as distinguished from parenteral. [G. enteron, intestine]
enteralgia
Enterdynia; severe abdominal pain accompanying spasm of the bowel. SYN: enterdynia, enterodynia. [entero- + G. algos, pain]
enteramine
SYN: serotonin.
enterdynia
SYN: enteralgia.
enterectasis
Obsolete term for dilation of the bowel. [entero- + G. ektasis, a stretching]
enterectomy
Resection of a segment of the intestine. [entero- + G. ektome, excision]
enterelcosis
Obsolete term for ulceration of the bowel. [entero- + G. helkos, ulcer]
Enteric
Of or relating to the small intestine. * * * Relating to the intestine. [G. enterikos, from entera, bowels]
Enteric-coated
Coated with a material that permits transit through the stomach to the small intestine before the medication is released. The term "enteric" means "of or relating to the small ...
enteritis
Inflammation of the intestine, especially of the small intestine. [entero- + G. -itis, inflammation] - e. anaphylactica a hemorrhagic and necrotizing inflammation developing in ...
Enteritis, Crohn
Crohn disease involving only the small intestine. Crohn disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can affect other ...
Enteritis, regional
Crohn’s disease by another name, a chronic inflammatory disease of the intestine primarily in the small and large intestines but which can occur anywhere in the digestive ...
Entero- (prefix)
Combining form that refers to the intestine (the gut). Entero- comes from the Greek word "enteron" for intestine, related to the Greek "enteros" meaning within. The idea was that ...
entero-, enter-
The intestine. [G. enteron, intestine]
enteroanastomosis
SYN: enteroenterostomy.
enteroanthelone
SYN: enterogastrone.
Enterobacter
A genus of aerobic, facultatively anaerobic, nonsporeforming, motile bacteria (family Enterobacteriaceae) containing Gram-negative rods. The cells are peritrichous, and some ...
enterobacteria
Plural of enterobacterium.
Enterobacteriaceae
A family of aerobic, facultatively anaerobic, nonsporeforming bacteria (order Eubacteriales) containing Gram-negative rods. Some species are nonmotile, and nonmotile variants of ...
enterobacterium
A member of the family Enterobacteriaceae.
enterobiasis
Infection with Enterobius vermicularis, the human pinworm.
Enterobiasis (pinworm infection)
An infection caused by a small, white intestinal worm: the pinworm or, more formally, Enterobius vermicularis. The pinworm is about the length of a staple and lives for the ...
Enterobius
A genus of nematode worms, formerly included with the genus Oxyuris, which includes the pinworms (E. vermicularis) of humans and other primates. [entero- + G. bios, life]
enterocele
1. A hernial protrusion through a defect in the rectovaginal or vesicovaginal pouch. [entero- + G. kele, hernia] 2. SYN: abdominal cavity. [entero- + G. koilia, a hollow] ...
enterocentesis
Puncture of the intestine with a hollow needle (trocar and cannula) to withdraw substances. [entero- + G. kentesis, puncture]
enterocholecystostomy
SYN: cholecystenterostomy. [entero- + G. chole, bile, + kystis, bladder, + stoma, mouth]
enterocholecystotomy
SYN: cholecystenterotomy. [entero- + G. chole, bile, + kystis, bladder, + tome, a cutting]
enterocidal
An agent that kills parasites residing in the gastrointestinal tract.
enterocleisis
Occlusion of the lumen of the alimentary canal. [entero- + G. kleisis, a closing] - omental e. use of omentum to aid closure of an opening in the intestine.
enteroclysis
1. SYN: high enema. 2. In radiography of the small intestine, filling by introduction of contrast medium through a catheter advanced into the duodenum or jejunum from above. ...
enterococcemia
A blood-borne disease, occasionally leading to septicemia, caused by members of the group D streptococci, Enterococcus faecalis or Enterococcus faecium.
Enterococcus
Bacteria normally found in the feces of people and many animals. Two types of enterococci — Enterococcus faecalis and Enterococcus faecium —occasionally cause human disease, ...
enterocolitis
Inflammation of the mucous membrane of a greater or lesser extent of both small and large intestines. SYN: coloenteritis. [entero- + G. kolon, colon, + -itis, inflammation] - ...
Enterocolitis, Crohn
Crohn disease involving both the small and large intestines. Crohn disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can ...
enterocolostomy
Establishment of a new communication between the small intestine and the colon. [entero- + G. kolon, colon, + stoma, mouth]
enterocyst
A cyst of the wall of the intestine. SYN: enterocystoma. [entero- + G. kystis, bladder]
enterocystocele
A hernia of both intestine and bladder wall. [entero- + G. kystis, bladder, + kele, hernia]
enterocystoma
SYN: enterocyst.
Enterocytozoon
A genus in the protozoan phylum Microspora, all of which are obligate intracellular spore-forming parasites. - E. bieneusi agent of microsporidian infection, primarily ...
enterodynia
SYN: enteralgia. [entero- + G. odyne, pain]
enteroenterostomy
Establishment of a new communication between two segments of intestine. SYN: enteroanastomosis, intestinal anastomosis.
enterogastritis
SYN: gastroenteritis. [entero- + G. gaster, belly, + -itis, inflammation]
enterogastrone
A hormone, obtained from intestinal mucosa, that inhibits gastric secretion and motility; secretion of e. is stimulated by exposure of duodenal mucosa to dietary lipids. Some of ...
enterogenous
Of intestinal origin. [entero- + G. -gen, producing]
enterograph
An instrument designed for use in enterography.
enterography
The making of a graphic record delineating the intestinal muscular activity. [entero- + G. grapho, to write]
enterohepatitis
Inflammation of both the intestine and the liver. [entero- + G. hepar (hepat-), liver, + -itis, inflammation]
enterohepatocele
Congenital umbilical hernia containing intestine and liver. See omphalocele. [entero- + G. hepar (hepat-), liver, + kele, hernia]
enteroidea
Fevers due to infection caused by any of the intestinal bacteria, including the enteric fevers ( typhoid and paratyphoid A and B) and the parenteric fevers. [entero- + G. eidos, ...
enterokinase
SYN: enteropeptidase.
enterokinesis
Muscular contraction of the alimentary canal. SEE ALSO: peristalsis. [entero- + G. kinesis, movement]
enterokinetic
Relating to, or producing, enterokinesis.
enterolith
An intestinal calculus formed of layers of soaps and earthy phosphates surrounding a nucleus of some hard body such as a swallowed fruit stone or other indigestible substance. ...
enterolithiasis
Presence of calculi in the intestine.
enterology
The branch of medical science concerned especially with the intestinal tract. [entero- + G. logos, study]
enterolysis
Division of intestinal adhesions. [entero- + G. lysis, dissolution]
enteromegaly, enteromegalia
SYN: megaloenteron. [entero- + G. megas, great]
enteromenia
Vicarious menstruation due to presence of tissue sensitive to effects of estrogen/progesterone in the intestine. [entero- + G. emmenos, monthly]
enteromerocele
Rarely used term for femoral hernia. [entero- + G. meros, thigh, + kele, hernia]
enterometer
An instrument used in measuring the diameter of the intestine. [entero- + G. metron, measure]
Enteromonas
A genus of flagellate protozoa, one species of which, E. hominis, is found as a rare nonpathogenic resident in the human large intestine. [entero- + G. monas, monad]
enteromycosis
An intestinal disease of fungal origin. [entero- + G. mykes, fungus, + -osis, condition]
enteroparesis
Rarely used term for a state of diminished or absent peristalsis with flaccidity of the muscles of the intestinal walls. [entero- + G. paresis, slackening, relaxation]
enteropathogen
An organism capable of producing disease in the intestinal tract.
enteropathogenic
Capable of producing disease in the intestinal tract.
enteropathy
An intestinal disease. [entero- + G. pathos, suffering] - gluten e. SYN: celiac disease. - protein-losing e. increased fecal loss of serum protein, especially albumin, causing ...
Enteropathy, gluten
A condition in which the absorption of food nutrients through the small intestine is impaired because of an immune (allergic) reaction to gluten, a protein found in wheat or ...
Enteropathy, protein-losing
Condition in which plasma protein is lost to excess into the intestine. This can be due to diverse causes including gluten enteropathy, extensive ulceration of the intestine, ...
enteropeptidase
An intestinal proteolytic glycoenzyme from the duodenal mucosa that converts trypsinogen into trypsin (removes a hexapeptide from trypsinogen). SYN: enterokinase.
enteropexy
Fixation of a segment of the intestine to the abdominal wall. [entero- + G. pexis, fixation]
enteroplegia
Rarely used term for adynamic ileus. [entero- + G. plege, stroke]
enteroproctia
Rarely used term for the presence of an artifical anus, as by a colostomy. [entero- + G. proktos, anus]
enteroptosis, enteroptosia
Abnormal descent of the intestines in the abdominal cavity, usually associated with falling of the other viscera. [entero- + G. ptosis, a falling]
enteroptotic
Relating to or suffering from enteroptosis.
enterorenal
Relating to both the intestines and the kidneys.
enterorrhagia
Bleeding within the intestinal tract. [entero- + G. rhegnymi, to burst forth]
enterorrhaphy
Suture of the intestine. [entero- + G. rhaphe, suture]
enterorrhexis
Rarely used term for rupture of the gut or bowel. [entero- + G. rhexis, rupture]
enteroscope
A speculum for inspecting the inside of the intestine in operative cases. [entero- + G. skopeo, to view]
Enteroscopy
The use of a flexible instrument (a "scope") to examine the small intestine, a very long hollow tube located between the stomach and colon (large intestine) and made up of the ...
enterosepsis
Sepsis occurring in or derived from the alimentary canal. [entero- + G. sepsis, putrefaction]
Enterospasm
A painful, intense contraction of the intestine. * * * Increased, irregular, and painful peristalsis. [entero- + G. spasmos, spasm]
enterostasis
Intestinal stasis; a retardation or arrest of the passage of the intestinal contents. SYN: intestinal stasis. [entero- + G. stasis, a standing]
enterostenosis
Narrowing of the lumen of the intestine. [entero- + G. stenosis, narrowing]
Enterostomal therapist
: A health care specialist trained to help patients care for and adjust to their colostomy.
Enterostomy
A surgical operation that opens the small intestine and brings it through the abdominal wall to create a new opening (a stoma) to permit intestinal draining. Like a colostomy, an ...
enterotome
An instrument for incising the intestine, especially in the creation of an artificial anus. [entero- + G. tome, a cutting]
enterotomy
Incision into the intestine.
enterotoxication
SYN: autointoxication.
enterotoxigenic
Denoting an organism containing or producing a toxin specific for cells of the intestinal mucosa.
enterotoxin
A cytotoxin specific for the cells of the intestinal mucosa. - Clostridium perfringens e. a toxin produced by Clostridium perfringens that alters membrane permeability. - ...
enterotoxism
SYN: autointoxication.
enterotropic
Attracted by or affecting the intestine. [entero- + G. tropikos, turning]
Enterovirus
A virus that comes into the body through the gastrointestinal tract and thrives there, often moving on to attack the nervous system. The polioviruses are enteroviruses. ...
enterozoic
Relating to an enterozoon.
enterozoon
An animal parasite in the intestine. [entero- + G. zoon, animal]
entgegen
Term used when the two higher ranking groups, attached to the different atoms in a double bond, usually a carbon-carbon double bond; are on opposite sides of the double bond ...
enthalpy
Heat content, symbolized as H; a thermodynamic function, defined as E + PV, where E is the internal energy of a system, P the pressure, and V the volume; the heat of a reaction, ...
enthesitis
Condition occurring at the insertion of muscles where recurring concentration of muscle stress provokes inflammation with a strong tendency toward fibrosis and calcification. [G. ...
enthesopathic
Denoting or characteristic of enthesopathy.
enthesopathy
A disease process occurring at the site of insertion of muscle tendons and ligaments into bones or joint capsules. [G. en, in, + thesis, a placing, + pathos, suffering]
enthlasis
Depressed fracture of the skull. [G. a dent, fr. en, in, + thlao, to crush]
entire
Having a smoothly continuous edge or border without indentations or projections; denoting a margin, as of a bacterial colony.
entity
An independent thing; that which contains in itself all the conditions essential to individuality; that which forms of itself a complete whole; medically, denoting a separate and ...
ento-, ent-
Inner, or within. SEE ALSO: endo-. [G. entos, within]
entoblast
Cell nucleolus. [ento- + G. blastos, germ]
entocele
An internal hernia. [ento- + G. kele, hernia]
entochoroidea
SYN: capillary lamina of choroid. [ento- + G. chorioeides, choroid]
entocone
The mesiolingual cusp of a maxillary molar tooth. [ento- + G. konos, cone]
entoconid
The inner posterior cusp of a mandibular molar tooth. [ento- + G. konos, cone]
entocornea
SYN: posterior limiting lamina of cornea.
entocranial
SYN: endocranial.
entocranium
SYN: endocranium.
entoderm
SYN: endoderm. [ento- + G. derma, skin]
entoectad
From within outward. [G. entos, within, + ektos, without, + L. ad, to]
Entoloma sinuatum
A species of mushroom capable of producing mycetismus gastrointestinalis.
entomion
The tip of the mastoid angle of the parietal bone. [G. entome, notch]
entomology
The science concerned with the study of insects. [G. entomon, insect, + logos, study]
entomophobia
Morbid fear of insects. [G. entomon, insect, + phobos, fear]
Entomophthora
?AU: please provide def. for this genus - E. coronata a fungal genus reclassified as Conidiobolus, the cause of conidiobolomycosis.
Entomophthorales
An order of the fungal class Zygomycetes. The genera include Conidiobolus, which causes a chronic granulomatous inflammation of a nasal and paranasal sinus mucosa ...
entomophthoramycosis
A disease caused by fungi of the genera Basidiobolus or Conididiobolus; subcutaneous or paranasal tissues are invaded by broad nonseptate hyphae that become surrounded by ...
Entomopoxvirus
The genus of viruses (family Poxviridae) that comprises the poxviruses of insects; they seem not to multiply in vertebrates. [G. entomon, insect]
entopic
Placed within; occurring or situated in the normal place; opposed to ectopic. [G. en, within, + topos, place]
entoplasm
SYN: endoplasm.
entoptic
Within the eyeball. Often used to describe visual phenomena generated by mechanical or electrical stimulations of the retina. [ento- + G. optikos, relating to vision]
entoretina
The layers of the retina from the outer plexiform to the nerve fiber layer inclusive. SYN: Henle nervous layer.
entosarc
SYN: endosarc.
Entozoa
A nontaxonomic name for the branch of the kingdom Animalia, whose members possess a digestive cavity or tract; includes all vertebrates and higher invertebrate forms. [ento- + ...
entozoal
Relating to entozoa.
entozoon
An animal parasite whose habitat is any of the internal organs or tissues. [ento- + G. zoon, animal]
entrails
The viscera of an animal.
entropion, entropium
1. Inversion or turning inward of a part. 2. The infolding of the margin of an eyelid. [G. en, in, + trope, a turning] - atonic e. e. that follows loss of tone of the ...
entropionize
To invert a part.
entropy
That fraction of heat (energy) content not available for the performance of work, usually because (in a chemical reaction) it has been used to increase the random motion of the ...
entypy
A type of gastrulation seen in some early mammalian embryos in which the endoderm covers the embryonic and amniotic ectoderm; part of the preplacental trophoblast may also be ...
enucleate
To remove entirely; to shell like a nut, as in the removal of an eye from its capsule or a tumor from its compressed surrounding tissue.
enucleation
1. Removal of an entire structure (such as an eyeball or tumor), without rupture, as one shells the kernel of a nut. 2. Removal or destruction of the nucleus of a cell. [L. ...
Enuresis
Involuntary urination, which may be caused by a variety of factors. These include disorders of the kidneys, bladder, or ureter; and poor control of the muscles that control ...
envelope
In anatomy, a structure that encloses or covers. - corneocyte e. an electron-dense, 10–15 nm thick layer of highly cross-linked protein on the cytoplasmic surface of the cell ...
envenomation
The act of injecting a poisonous material ( venom) by sting, spine, bite, or other venom apparatus.
Environment
The sum of the total of the elements, factors and conditions in the surroundings which may have an impact on the development, action or survival of an organism or group of ...
Environmental Protection Agency
: The US government agency founded to "protect human health and to safeguard the natural environment—air, water, and land—upon which life depends." The Environmental ...
Environmental tobacco smoke
: Tobacco smoke that is generated from the sidestream (the burning end) of a cigarette, pipe or cigar and the exhaled mainstream smoke (the smoke that is puffed out by smokers) ...
envy
One's feeling of discontent or jealousy resulting from comparison with another person. - penis e. the psychoanalytic concept in which a female envies male characteristics or ...
enzootic
SYN: endemic. [G. en, in, + zoon, animal]
enzygotic
Derived from a single fertilized ovum; denoting twins so derived. [G. eis (en), one, + zygote]
enzymatic
Relating to an enzyme. SYN: enzymic.
Enzyme
A protein (or protein-based molecule) that speeds up a chemical reaction in a living organism. An enzyme acts as catalyst for specific chemical reactions, convertingt a specific ...
Enzyme defect
A disorder resulting from a deficiency (or functional abnormality) of an enzyme. In 1902 Archibald Garrod first attributed a disease to an enzyme defect: an inborn error of ...
Enzyme, lysosomal
An enzyme in an organelle (a little organ) called the lysosome within the cell. Lysosomal enzymes degrade (break down) macromolecules (large molecules) and other materials (such ...
Enzyme, restriction
An enzyme from bacteria that can recognize specific base sequences in DNA and cut the DNA at that site (the restriction site). A restriction enzyme acts as a biochemical ...
Enzyme, Warburg's yellow
A key respiratory enzyme discovered by the German biochemist Otto Heinrich Warburg (1883-1970), a pioneer in research on the respiration of cells and the metabolism of tumors. ...
Enzyme-linked immunosorbent assay (ELISA)
ELISA stands for "enzyme-linked immunosorbent assay." This is a rapid immunochemical test that involves an enzyme (a protein that catalyzes a biochemical reaction). It also ...
Enzymes
Proteins that act as a catalysts in mediating and speeding a specific chemical reaction. In 1902 Archibald Garrod first attributed a disease to an enzyme defect: an inborn ...
Enzymes, yellow
A group of respiratory enzymes that catalyze reactions in the body permitting cells to respire or breathe. These biochemical reactions are termed oxidation-reduction reactions. ...
enzymic
SYN: enzymatic.
enzymologist
A specialist in enzymology.
enzymology
The branch of chemistry concerned with the properties and actions of enzymes. [enzyme + G. logos, study]
enzymolysis
1. The splitting or cleavage of a substance into smaller parts by means of enzymatic action. 2. Lysis by the action of an enzyme. [enzyme + G. lysis, dissolution]
enzymopathy
Any disturbance of enzyme function, including genetic deficiency or defect in specific enzymes. [enzyme + G. pathos, disease]
EOG
Abbreviation for electrooculography; electroolfactogram.
eosin
A derivative of fluorescein used as a fluorescent acid dye for cytoplasmic stains and counterstains in histology and in Romanovsky-type blood stains. [G. eos, dawn] - e. B the ...
eosinocyte
SYN: eosinophilic leukocyte.
eosinopenia
The presence of eosinophils in an abnormally small number in the peripheral bloodstream. SYN: hypoeosinophilia. [eosino(phil) + G. penia, poverty]
eosinophil, eosinophile
SYN: eosinophilic leukocyte. [eosin + G. philos, fond]
eosinophilia
SYN: eosinophilic leukocytosis. - simple pulmonary e. pulmonary infiltrates seen as transient migratory shadows on the chest x-ray, accompanied by blood e.; often symptomless, ...
eosinophilic
Staining readily with eosin dyes; denoting such cell or tissue elements.
Eosinophilic fasciitis (Shulman syndrome)
A disease which leads to inflammation and thickening of the skin and fascia. (The fascia is a lining tissue under the skin that covers a surface of underlying tissues. When the ...
eosinophiluria
Presence of eosinophils in the urine.
eosinotactic
Exerting a force of attraction or repulsion on eosinophile cells. [eosino(phile) + G. taktikos, in orderly arrangement]
eosinotaxis
Movement of eosinophils with reference to a stimulus which attracts or repels them.
eosophobia
Morbid dread of the dawn. [G. eos, dawn, + phobos, fear]
EP
Abbreviation for endogenous pyrogen.
EPA
The US Environmental Protection Agency (the EPA), the government agency founded to "protect human health and to safeguard the natural environment—air, water, and land—upon ...
epactal
SYN: supernumerary. [G. epaktos, imported, fr. epago, to bring on or in]
epamniotic
Upon or above the amnion. [G. epi, upon, + amnion]
eparterial
Upon or superior to an artery. [G. epi, upon, + arteia, artery]
epaxial
Above or behind any axis, such as the spinal axis or the axis of a limb. [G. epi, upon, + L. axis, axis]
EPEC
Abbreviation for enteropathogenic Escherichia coli.
ependyma
The cellular membrane lining the central canal of the spinal cord and the brain ventricles. SYN: endyma. [G. e., an upper garment]
ependymal
Relating to the ependyma.
ependymitis
Inflammation of the ependyma.
ependymoblast
An embryonic ependymal cell. [ ependyma + G. blastos, germ]
ependymoblastoma
A glial neoplasm of the central nervous system, occurring typically in childhood; the prototype tumor cells resemble ependymoblasts. [ ependymoblast + G. -oma, tumor]
ependymocyte
An ependymal cell. [ ependyma + G. kytos, cell]
Ependymoma
A type of brain tumor derived from the cells that line the cavities within the ventricles of the brain and the central canal of the spinal cord. Because cerebrospinal fluid (CSF) ...
ephapse
A place where two or more nerve cell processes (axons, dendrites) touch without forming a typical synaptic contact; some form of neural transmission may occur at such nonsynaptic ...
ephaptic
Relating to an ephapse.
ephebic
Rarely used term relating to the period of puberty or to a youth. [G. ephebikos, relating to youth, fr. hebe, youth]
ephebology
Rarely used term for the study of the morphologic and other changes incidental to puberty. [G. ephebos, puberty, + logos, study]
ephedra
E. equisetina (family Gnetaceae). Ma Huang; the plant source for the alkaloid ephedrine. Indigenous to China and India, it is 0.75 to over 1% ephedrine; also contains some ...
ephedrine
An alkaloid from the leaves of Ephedra equisetina, E. sinica, and other species (family Gnetaceae), or produced synthetically; an adrenergic ( sympathomimetic) agent with ...
ephelis
SYN: freckle. [G.]
epi-
Upon, following, or subsequent to. [G.]
Epi- (prefix)
A prefix taken from the Greek that means "on, upon, at, by, near, over, on top of, toward, against, among." Epi- is the prefix for many medical terms such as: epicanthal fold (a ...
epi-coprostanol
5β-Cholestan-3α-ol. For the structure of cholestane, see steroids. SYN: e.coprosterol.
epi-coprosterol
SYN: e.coprostanol.
epiandrosterone
Inactive isomer (3β instead of 3α) of androsterone; found in urine and in testicular and ovarian tissue. SYN: isoandrosterone.
epibatidine
A toxic alkaloid extracted from the skin of a South American frog, Epipedobates tricolor. Apparently derived from particular insects consumed in the Amazon basin. The crude ...
epiblast
Gives rise to the ectoderm, mesoderm, and endoderm of the embryo proper. [ epi- + G. blastos, germ]
epiblastic
Relating to epiblast.
epiblepharon
A congenital horizontal skin fold near the margin of the eyelid, caused by abnormal insertion of muscle fibers. In the upper lid, it simulates blepharochalasis; in the lower lid, ...
epiboly, epibole
1. A process involved in gastrulation of telolecithal eggs in which, as a result of differential growth, some of the cells of the protoderm move over the surface toward the ...
epibulbar
Upon a bulb of any kind; specifically, upon the eyeball.
Epicanthal fold
A fold of skin that comes down across the inner angle (canthus) of the eye. The epicanthal fold is more common in children with Down syndrome and other birth defects than normal ...
epicanthus
SYN: palpebronasal fold. [ epi- + G. kanthos, canthus] - e. inversus a crescentic upward fold of skin from the lower eyelid at the inner canthus; frequent in congenital ...
epicardia
SYN: abdominal part of esophagus. [ epi- + G. kardia, heart]
epicardial
1. Relating to the epicardia. 2. Relating to the epicardium.
Epicardium
The inner layer of the pericardium, a conical sac of fibrous tissue that surrounds the heart and the roots of the great blood vessels. The pericardium has outer and inner coats. ...
epichordal
On the dorsal side of the notochord; applicable particularly to that part of the brain developing dorsal to the cephalic part of the notochord. [ epi- + G. chorde, a chord]
epicillin
Semisynthetic beta-lactam antibiotic related to penicillin; an antibacterial.
epicomus
Unequal conjoined twins in which the smaller parasite is joined to the larger autosite at the top of the head. See conjoined twins, under twin. [ epi- + G. kome, hair of the ...
epicondylalgia
Pain in an epicondyle of the humerus or in the tendons or muscles originating therefrom. [ epicondyle + G. algos, pain] - e. externa SYN: tennis elbow.
epicondyle
A projection from a long bone near the articular extremity above or upon the condyle. SYN: epicondylus [TA]. [ epi- + G. kondylos, a knuckle] - lateral e. of femur [TA] the ...
epicondyli
Plural of epicondylus.
epicondylian
SYN: epicondylic.
epicondylic
Relating to an epicondyle or to the part above a condyle. SYN: epicondylian.
epicondylitis
Inflammation of an epicondyle. - lateral humeral e. SYN: tennis elbow.
epicondylus
SYN: epicondyle. [L.] - e. lateralis femoris [TA] SYN: lateral epicondyle of femur. - e. lateralis humeri [TA] SYN: lateral epicondyle of humerus. - e. lateralis ossis femoris ...
epicoracoid
Upon or above the coracoid process.
epicranial
Relating to the epicranium.
epicranium
The muscle, aponeurosis, and skin covering the cranium. [ epi- + G. kranion, skull]
epicranius
See e. (muscle).
epicrisis
A secondary crisis; a crisis terminating a recrudescence of morbid symptoms following a primary crisis.
epicritic
That aspect of somatic sensation which permits the discrimination and the topographical localization of the finer degrees of touch and temperature stimuli. Cf.:protopathic. [G. ...
epicystitis
Inflammation of the cellular tissue around the bladder. [ epi- + G. kystis, bladder, + -itis, inflammation]
epicyte
A cell membrane, especially of protozoa; the external layer of cytoplasm in gregarines. [ epi- + G. kytos, cell]
Epidemic
More than the expected number of cases of disease occurring in a community or region during a given period of time. A sudden severe outbreak within a region or a group as, for ...
Epidemic hemorrhagic fever
A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and pain in the muscles, joints and abdomen with nausea and vomiting ...
Epidemic myalgia
Also known as Bornholm disease, this is a temporary illness that is a result of virus infection. The disease features fever and intense abdominal and chest pains with headache. ...
Epidemic typhus
A severe acute disease with prolonged high fever up to 40° C (104° F), intractable headache, and a pink-to-red raised rash. The cause is a microorganism called Rickettsia ...
epidemicity
The state of prevailing disease in epidemic form.
epidemiography
A descriptive treatise of epidemic diseases or of any particular epidemic. [G. epidemios, epidemic, + graphe, a writing]
Epidemiologist
A person engaged in epidemiology (not confined to epidemics). Epidemiologists include people with an M.D., Ph.D., D.P.H. (Doctor of Public Health), M.P.H. (Master of Public ...
epidemiology
The study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to control of health problems. [G. ...

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