Relating to or affecting a glomerulus or the glomeruli. SYN: glomerulose.
Tiny ball-shaped structures in the kidney composed of capillary blood vessels actively involved in the filtration of the blood to form urine. The glomerulus is one of the key ...
Inflammation of a glomerulus, specifically of the renal glomeruli, as in glomerulonephritis.
Renal disease characterized by diffuse inflammatory changes in glomeruli that are not the acute response to infection of the kidneys. SYN: glomerular nephritis. [glomerulus + ...
Glomerular disease of any type. [glomerulus + G. pathos, suffering]
- focal sclerosing g. focal, segmental glomerulosclerosis reported in adults and children with normal serum ...
Hyaline deposits or scarring within the renal glomeruli, a degenerative process occurring in association with renal arteriosclerosis or diabetes. SYN: glomerular sclerosis. ...
The coloring matter of the blood, hemoglobin or hematin. [hema- + G. chroma, color]
Contraction of the arteries. [G. haimas (haimad-), a stream of blood, + stenosis, a narrowing]
A phenomenon manifested by an agent or substance adhering to or being adsorbed on the surface of a red blood cell.
The agglutination of red blood cells; may be immune as a result of specific antibody either for red blood cell antigens per se or other antigens which coat the red blood cells, ...
A substance, antibody or other, that causes hemagglutination. SYN: hemoagglutinin.
1. Relating to the blood or blood vessel s. 2. Referring to the ventral side of the vertebral bodies or their precursors, where the heart and great vessels are located, as ...
A solution of hematoxylin and alum used as a nuclear stain in histology, especially with eosin as a counterstain.
Any infection with ameboid forms of parasites in red blood cells, as in malaria.
Analysis of the blood; an examination of blood, especially with reference to chemical methods. [G. haima, blood, + analysis]
The blood vessel s. [G. haima, blood, + angeion, vessel]
A primitive embryonic cell of mesodermal origin producing cells from which are derived vascular endothelium, reticuloendothelial elements, and blood-forming cells of all types. ...
A benign neoplasm frequently arising in the cerebellum composed of capillary vessel–forming endothelial cells and stromal cells; a slowly growing tumor that affects, primarily, ...
Hemangioendothelioma in which the endothelial cells seem to be especially immature forms. [ hemangio- + endothelium + G. blastos, germ, + -oma, tumor]
A neoplasm derived from blood vessel s, characterized by numerous prominent endothelial cells that occur singly, in aggregates, and as the lining of congeries of vascular tubes or ...
A hemangioma with an abundant fibrous tissue framework.
- juvenile h. SYN: juvenile angiofibroma.
A birth irregularity where a localized tissue mass grows rich in small blood vessels. Capillary hemangiomas are composed nearly entirely of tiny capillary vessels. Cavernous ...
A type of hemangioma (a benign tumor formed by a collection of excess blood vessels) that is composed almost entirely of tiny capillary vessels. Capillary hemangiomas may be ...
A type of hemangioma composed of blood-filled “lakes” and channels. It is typically raised and red or purplish. A cavernous hemangioma may diminish in size ...
A common benign tumor of the liver made up of small blood vessels. Hepatic hemangioma is the most common benign liver tumor and is 4-6 times more common in women than men ...
An uncommon vascular, usually benign, neoplasm composed of round and spindle cells that are derived from the pericytes and surround endothelium-lined vessels; malignant ...
A rare malignant neoplasm characterized by rapidly proliferating, extensively infiltrating, anaplastic cells derived from blood vessel s and lining irregular blood-filled or ...
Pertaining to or containing hemaphein.
A brown pathologic pigment derived from hemoglobin; said to be a combination of indican and urobilin. [G. haima, blood, + phaios, dusky]
The presence of hemaphein in the blood plasma and urine.
Blood in a joint. [G. haima, blood, + arthron, joint]
A stain made by adding strontium chloride to a solution of hematein and aluminum chloride in citric acid and alcohol; used in histology.
Blood. SEE ALSO: hem-, hemato-, hemo-. [G. haima (haimat-)]
An abscess into which blood has effused. [ hemat- + G. apostema, abscess]
An oxidation product of hematoxylin.
- Baker acid h. an acidic solution of oxidized hematoxylin used on frozen sections for staining phospholipids.
The medical term for bloody vomitus. The word “hematemesis” is made up of “hema-“, blood + “emesis”, vomit = bloody vomit.
* * *
Vomiting of blood. SYN: vomitus ...
SYN: homeotherm. [G. haima, blood, + thermos, warm]
SYN: homeothermic. [G. haima, blood, + thermos, warm]
1. Relating to blood. SYN: hemic. 2. SYN: hematinic (2).
1. Obsolete term for a red blood cell. 2. Obsolete term for a cutaneous eruption presumed to be caused by a substance in the circulating blood. [ hemat- + -id]
Excretion of blood or blood pigment in the sweat; an extremely rare disorder. [ hemat- + G. hidros, sweat]
Heme in which the iron is Fe(III) (Fe3+); the prosthetic group of methemoglobin. SYN: ferriheme, hematosin, hydroxyhemin, oxyheme, oxyhemochromogen, phenodin.
- h. chloride ...
The presence of heme in the circulating blood. [ hematin + G. haima, blood]
1. Improving the condition of the blood. 2. An agent that improves the quality of blood by increasing the number of erythrocytes and/or the hemoglobin concentration. SYN: ...
Combining form denoting blood. SEE ALSO: hem-, hemat-, hemo-. [G. haima (haimat-)]
Any microorganism that is parasitic in the blood, especially an animal form or hemozoon. [ hemato- + G. bios, life]
A primitive, undifferentiated form of blood cell from which erythroblasts, lymphoblasts, myeloblasts, and other immature blood cells are derived; probably identical or closely ...
1. SYN: hemorrhagic cyst. 2. Effusion of blood into a canal or a cavity of the body. 3. Swelling due to effusion of blood into the tunica vaginalis testis. [ hemato- + G. ...
Intracranial effusion of blood, commonly in a fetus. [ hemato- + G. kephale, head]
Bright red blood in the stool, usually from the lower gastrointestinal tract — the colon or rectum — or from hemorrhoids. The term "hematochezia" is rarely used. "Bright red ...
A green coloring matter derived from hemoglobin obtained from the placenta. [ hemato- + G. chloros, light green + -in]
Presence of blood as well as chyle in the urine. [ hemato- + G. chylos, juice, + ouron, urine]
Accumulation of blood in the uterus and vagina resulting from an imperforate hymen or other lower vaginal obstruction. [ hemato- + G. kolpos, vagina, + metra, womb]
An accumulation of menstrual blood in the vagina in consequence of imperforate hymen or other obstruction. SYN: retained menstruation. [ hemato- + G. kolpos, vagina]
The proportion of the blood that consists of packed red blood cells. The hematocrit is expressed as a percentage by volume. The red cells are packed by centrifugation. For ...
SYN: poikilothermic. [ hemato- + G. kryos, cold]
Presence of blood in the bladder. [ hemato- + G. kystis, bladder]
SYN: hemopoiesis. [ hemato- + G. genesis, production]
1. SYN: hemopoietic. 2. Pertaining to anything produced from, derived from, or transported by the blood.
A pigment derived from hemoglobin that contains no iron but is closely related to or identical to bilirubin. H. is formed intracellularly, presumably within reticuloendothelial ...
: A doctor who specializes in treating diseases of the blood.
* * *
A physician trained and experienced in hematology, i.e., skilled in performing diagnostic examinations of ...
The medical specialty that pertains to the anatomy, physiology, pathology, symptomatology, and therapeutics related to the blood and blood-forming tissues. SYN: hemology. [ ...
A congenital anomaly consisting of numerous, closely packed, variably sized lymphatic vessels and larger channels, in association with a moderate number of blood vessel s of a ...
An abnormal localized collection of blood in which the blood is usually clotted or partially clotted and is usually situated within an organ or a soft tissue space, such as within ...
A hematoma between the cranium (skull) and the brain’s tissue-like covering, which is known as the dura. Epidural hematoma is usually caused by a full-on blow to the head, ...
Bleeding and bruising within the brain. Diagnosis is usually by CAT scan. Treatment is by surgery.
A hematoma within the brain cavity (cranium, skull) or within the brain itself. See hematoma, epidural; hematoma, subdural; hematoma, intracerebral.
Hematoma, nasal septum
An accumulation of blood within the nasal septum, the wall inside the nose that runs down the middle, dividing it into two sides. Most nasal septum hematomas are due to trauma. ...
Bleeding into the space between the dura (the brain cover) and the brain itself. This space is called the subdural space. If the hematoma puts increased pressure on the brain, ...
A collection or retention of blood in the uterine cavity. SYN: hemometra. [ hemato- + G. metra, uterus]
Examination of the blood in order to determine any or all of the following: 1) the total number, types, and relative proportions of various blood cells; 2) the number or ...
Umbilical hernia into which an effusion of blood has taken place. [ hemato- + G. omphalos, umbilicus, + kele, hernia]
Hemorrhage into the substance of the spinal cord; it is usually a posttraumatic lesion but may also be encountered in instances of spinal cord capillary telangiectases. SYN: ...
Formation of porosities in the spinal cord as a result of hemorrhages. [ hemato- + G. myelos, marrow, + poros, a pore]
The division of pathology concerned with diseases of the blood and of hemopoietic and lymphoid tissues. SYN: hemopathology. [ hemato- + G. pathos, suffering, + logos, study]
Deficiency of blood, including hypocytosis or cytopenia. [ hemato- + G. penia, poverty]
Living on the blood of another animal, as does the vampire bat or a leech. SYN: hemophagia. [ hemato- + G. phago, to eat]
A blood eater, especially bloodsucking insects. [ hemato- + G. phago, to eat]
An abnormal and persistent fear of blood is called hematophobia. Sufferers of this very common phobia dread the sight of their own blood, the sight of the blood of another person ...
The production of all types of blood cells generated by a remarkable self-regulated system that is responsive to the demands put upon it. The levels of the different types of the ...
Obsolete term for any disorder of porphyrin metabolism, regardless of the cause. [ hemato- + G. porphyra, purple]
A dark red, almost purple, porphyrin resulting from the decomposition of hemoglobin; chemical composition is that of heme with the iron removed and the two vinyl (–CH=CH2) ...
Older term used to designate the occurrence of hematoporphyrin in the circulating blood.
SYN: hemophthalmia. [ hemato- + G. opsis, vision]
A spinal hemorrhage. [ hemato- + G. rhachis, spine]
- h. externa hemorrhage into the spinal canal external to the cord, either within or outside the dura. SYN: extradural h., ...
Collection of blood in a tube, often associated with a tubal pregnancy. SYN: hemosalpinx. [ hemato- + G. salpinx, a trumpet]
1. SYN: hemopoiesis. 2. Oxygenation of the venous blood in the lungs.
1. Variant of hemostatic. 2. Due to stagnation or arrest of blood in the vessels of the part.
Spontaneous bleeding due to a disease of the blood. [ hemato- + G. staxis, a dripping]
Bleeding in the medullary cavity of a bone. [ hemato- + G. osteon, bone]
A crystalline compound, containing the coloring matter of Haematoxylon campechianum (logwood), from which it is obtained by extraction with ether. It is used as a dye in ...
Blood in the urine. Hematuria may or may not be accompanied by pain, but it is always abnormal and should be further investigated. Painful hematuria can be caused by a number of ...
Blood in the urine that can be seen with the naked eye. Hematuria may or may not be accompanied by pain, but it is always abnormal and should be further investigated. See also ...
1. The porphyrin chelate of iron in which the iron is Fe(II) (or Fe2+); the oxygen-carrying, color-furnishing, prosthetic group of hemoglobin. 2. Iron complexed with ...
Inability to see as distinctly in a bright light as in reduced illumination; seen in patients with impaired cone function. SYN: day blindness, hemeranopia, night sight. [G. ...
SYN: hemeralopia. [G. hemera, day, + an-, priv., + ops, eye]
Iron-containing, oxygen-binding proteins in certain invertebrates, with molecular weights approximately that of hemoglobin but differing from hemoglobin in that the molecules do ...
One-half. Cf.:semi-. [G.]
One of twin fetuses, in which only a part of the circulation is effected by its own heart, the rest by the heart of the other twin. [ hemi- + G. a- priv. + kardia, heart]
RCH(OH)OR′, a product of the addition of an alcohol to an aldehyde (an acetal is formed by the addition of an alcohol to a h.). In the aldose sugars, the h. formation is ...
A congenital form of hemihypertrophy of an extremity. [ hemi- + G. akron, extremity, + soma, body]
Loss of taste from one side of the tongue. SYN: hemiageustia, hemigeusia. [ hemi- + G. a- priv. + geusis, taste]
Pain affecting one entire half of the body. [ hemi- + G. algos, pain]
Anencephaly on one side only, or involving one side much more extensively than the other.
Anesthesia on one side of the body. SYN: unilateral anesthesia.
- alternate h. h. affecting the head on one side and the body and extremities on the other side. SYN: crossed ...
Loss of vision for one half of the visual field of one or both eyes. SYN: hemianopsia.
- absolute h. hemianopsia in which the affected field is totally insensitive to all visual ...
SYN: hemianopia. [ hemi- + G. an- priv. + opsis, vision]
Loss of the sense of smell on one side. [ hemi- + G. an- priv. + osme, smell]
Absence of one lobe of a bilobed organ; used especially with reference to the thyroid gland. [ hemi- + aplasia]
Arthroplasty in which one joint surface is replaced with artificial material, usually metal.
Athetosis affecting one hand, or one hand and foot, only.
Atrophy of one lateral half of a part or of an organ, as the face or tongue.
- facial h. atrophy, usually progressive, affecting the tissues of one side of the face. SYN: facial ...
SYN: hemiballismus. [ hemi- + G. ballismos, jumping about]
Ballism involving one side of the body. SYN: hemiballism. [ hemi- + G. ballismos, jumping about]
1. Either lateral half, including atrium and ventricle, of the heart. 2. A congenital malformation of the heart in which only two of the usual four chambers are formed. [ hemi- + ...
Plant cell-wall polysaccharides closely associated with cellulose, such as xylans, mannans, and galactans. SYN: cellulosan.
One of the two lateral halves of the body of the vertebra. [ hemi- + G. kentron, center]
The unilateral headache characteristic of typical migraine. SYN: hemicrania (2). [ hemi- + G. kephale, head, + algos, pain]
Congenital failure of the cerebrum to develop normally; usually the cerebellum and basal ganglia are represented at least in rudimentary form. SYN: partial anencephaly. [ hemi- ...
A chemical which interferes with the synthesis of acetylcholine in cholinergic nerve terminals.
A phylum composed of soft-bodied, bilaterally symmetric wormlike marine animals with gill-slits to the pharynx and a conical proboscis; a ciliated larval stage resembles that ...
Chorea involving the muscles on one side only. SYN: hemilateral chorea.
Removal of the right or left side of the colon. [ hemi- + G. kolon, colon, + ektome, excision]
Surgical removal of the lower half of the body, including the lower extremities, bony pelvis, genitalia, and various of the pelvic contents including the lower part of the rectum ...
1. SYN: migraine. 2. SYN: hemicephalalgia. [ hemi- + G. kranion, skull]
SYN: hemicraniotomy. [ hemi- + G. kranion, skull, + ektome, excision]
Separation and reflection of the greater part or all of one half of the cranium, as a preliminary to an operation upon the brain. SYN: hemicraniectomy. [ hemi- + G. kranion, ...
Half desmosomes that occur on the basal surface of the stratum basalis of stratified squamous epithelium.
Diaphoresis, or sweating, on one side of the body. SYN: hemidrosis, hemihidrosis.
Underdevelopment of one lateral half of the body. [ hemi- + G. dys-, ill, + trophe, nourishment, growth]
Defective development of the limbs on one side of the body. [ hemi- + ectromelia]
SYN: hemilingual. [ hemi- + G. glossa, tongue]
Surgical removal of one-half of the tongue. [ hemi- + G. glossa, tongue, + ektome, excision]
A vesicular eruption on one side of the tongue and the corresponding inner surface of the cheek, probably herpetic. [ hemi- + G. glossa, tongue, + -itis, inflammation]
Defective development of one side of the mandible. [ hemi- + G. gnathos, jaw]
Hyperesthesia, or increased tactile and painful sensibility, affecting one side of the body.
Excessive sweating confined to one side of the body. [ hemi- + G. hyper, over, + hidrosis, sweating]
Exaggerated muscular tonicity on one side of the body. [ hemi- + G. hyper, over, + tonos, tone]
Muscular or osseous hypertrophy of one side of the face or body.
Diminished sensibility in one side of the body. SYN: hemihypoesthesia. [ hemi- + G. hypo, under, + aestheses, sensation]
SYN: hemihypesthesia. [ hemi- + G. hypo, under, + aistheses, sensation]
Partial loss of muscular tonicity on one side of the body. [ hemi- + G. hypo, under, + tonos, tone]
A cell nucleus containing a haploid set of chromosomes. [ hemi- + G. karyon, nut (nucleus)]
RC(R′)(OH)OR″, a product of the addition of an alcohol to a ketone. In the ketose sugars, the h. formation is from an attack by an internal OH on the ketone carbonyl ...
Removal of a portion of a vertebral lamina, usually performed for exploration of, access to, or decompression of the intraspinal contents. [ hemi- + L. lamina, layer, + G. ...
Excision of one lateral half of the larynx. [ hemi- + G. larnyx (laryng-), larynx, + ektome, excision]
Relating to one lateral half of the tongue. SYN: hemiglossal. [ hemi- + L. lingua, tongue]
Enlargement of half the tongue. [ hemi- + G. makros, large, + glossa, tongue]
Congenital partial absence of a part of an extremity; for example, absence of the fibula and presence of the tibia. [ hemi- + G. melos,limb, + -ia]
Pertaining to a member of the series of insect orders, the Hemimetabola, in which simple or incomplete metamorphosis is found. [ hemi- + G. metabole, change]
1. Chloride of heme in which Fe2+ has become Fe3+. H. crystals are called Teichmann crystals, under crystal. 2. Any coordination complex of chloro(porphyrinato)iron(III). SYN: ...
Pain in one eye, usually accompanied by hemicrania. [ hemi- + G. ops, eye, + algos, pain]
Conjoined twins that are united laterally at the thorax; the zone of union may also involve the neck and jaws. See conjoined twins, under twin. [ hemi- + G. pagos, something ...
Amputation of an entire lower extremity together with a portion of the ipsilateral pelvis. SYN: hindquarter amputation, Jaboulay amputation. [ hemi- + L. pelvis, basin ...
Paralysis on one side of the body.
* * *
Paralysis of one side of the body. [ hemi- + G. plege, a stroke]
- alternating h. h. on one side with contralateral cranial nerve ...
An arthropod order of the class Insecta that includes many plant lice and other true bugs; those of the subfamily Triatominae are bloodsuckers and of medical importance. The ...
Surgical removal of a root and its related coronal portion of a multirooted tooth.
Loss of sensation on one side of the body. Cf.:hemianesthesia.
A spasm affecting one or more muscles of one side of the face or body.
Half of a spherical structure. SYN: cerebral h. (1) [TA]. [ hemi- + G. sphaira, ball, globe]
- h. of bulb of penis one of the lateral halves of the bulb of the penis that are ...
Excision of one cerebral hemisphere; undertaken for malignant tumors, intractable epilepsy usually associated with infantile hemiplegia due to birth injury, and other cerebral ...
SYN: hemisphere of cerebellum HII–HX.
- h. cerebelli HII–HX SYN: hemisphere of cerebellum HII–HX.
1. SYN: cerebral hemisphere. 2. SYN: hemisphere of cerebellum HII–HX. [G. hemisphairion]
- h. bulbi urethrae SYN: hemisphere of bulb of penis.
- h. cerebelli [HII–HX] [TA] ...
Generic name for certain species of Fungi Imperfecti in which chains of conidia develop from tubular structures that form as the result of a constriction at the end of each of a ...
Rarely used term for excision of approximately one-half of a goiter. [ hemi- + L. struma, + G. ektome, excision]
1. A condition in which one-half of the body is atrophied or hypertrophied. 2. Unilateral lesion of the spinal cord.
Isoprene or a derivative of a single isoprene.