Claude F., French surgeon, 1790–1853. See L. bodies, under body, Trousseau-L. bodies, under body.
A form of stammering in which the speech is almost unintelligible. [G. laleo, to chatter]
Pierre, French physician, 1711–1792. See L. pyramid.
Emotional discharge gained by uttering indecent or filthy words. [G. lalia, speech, + chezo, to relieve oneself]
Understanding and knowledge of speech. [G. lalia, speech, + gnosis, knowledge]
Paralysis of the muscles concerned in the mechanism of speech. [G. lalia, speech, + plege, a stroke]
Outer membrane protein of Gram-negative bacteria.
Jean-Baptiste P.A., French botanist, zoologist, and biologic philosopher, 1744–1829. See lamarckian theory.
The theory of acquired characteristics put forth by Jean-Baptiste P.A. Lamarck (1744-1829), a French botanist, zoologist and biological philosopher. According to Lamarck, ...
Fernand, French obstetrician, 1890–1957. See L. method.
Acronym for lentigines, atrial myxoma, mucocutaneous myxomas, and blue nevi. See L. syndrome.
1. The 11th letter of the Greek alphabet, λ. 2. The craniometric point at the junction of the sagittal and lambdoid sutures.
1. Mispronunciation or disarticulation of the letter l. 2. Substitution of the letter l for the letter r. [G. lambda, the letter L]
Resembling the Greek letter lambda (λ), as does the l. suture. [ lambda + G. eidos, resemblance]
Edward H., U.S. physician, *1915. See L.- Eaton syndrome, Eaton-L. syndrome.
A unit of brightness; the brightness of a perfectly diffusing surface emitting or reflecting a total luminous flux of 1 lumen/sq cm of surface. [J.H. L., German physicist and ...
Old term for Giardia lamblia, still frequently used, especially by protozoologists in the former Soviet Union.
Constantine, British orthopedic surgeon, 1890–1943. See L. operation.
A thin leaf, plate, disk, wafer.
* * *
1. [TA] A thin sheet or layer (such as occurs in compact bone) or sublayer. 2. A preparation in the form of a medicated gelatin disk, ...
1. Arranged in thin plates or scales. SYN: lamellate, lamellated. 2. Relating to lamellae.
A cytoplasmic veil produced on all sides of migrating polymorphonuclear leukocytes.
A plate or layer. For example, the lamina arcus vertebrae, usually just called the lamina, are plates of bone in each vertebral body.
* * *
SYN: plate (1). SEE ALSO: layer, ...
An image made by laminagraphy (q.v.). SEE ALSO: tomography.
Radiographic technique in which the images of tissues above and below the plane of interest are blurred out by reciprocal movement of the x-ray tube and film holder, to show a ...
1. Arranged in plates or laminae. SYN: laminated. 2. Relating to any lamina.
A small rod-shaped piece of dried seaweed; when placed within the cervix, a laminaria causes it to gradually dilate (widen). The species of seaweed serving this purpose is ...
An algal polysaccharide, made up chiefly of β-d-glucose residues, obtained from Laminaria species (family Laminariaceae); variable proportions of the glucose chains contain at ...
1. An arrangement in the form of plates or laminae. 2. Embryotomy by removing the fetal head in slices.
Excision of a vertebral lamina; commonly used to denote removal of the posterior arch. [L. lamina, layer, + G. ektome, excision]
A large multimeric glycoprotein component of the basement membrane; particularly its unstained laminae; a major protein component of the laminae of the renal glomerulus.
Excision of a portion of a vertebral lamina in which the intervertebral foramen is enlarged by removal of a portion of the lamina. SYN: rachiotomy. [L. lamina, layer, + G. tome, ...
Fibrous network associated with the inner membranes of cell nuclei, composed of polypeptides of varying molecular weights (60,000–80,000) and classified as A, B, C, etc. on the ...
New structural class of antiepileptics; an anticonvulsant which appears in preclinical studies to resemble phenytoin.
Illuminating device; source of light. SEE ALSO: light.
- annealing l. an alcohol l. with a soot-free flame used in dentistry to drive off the protective NH3 gas coating from the ...
Maurice, French physician, 1895–1975. See Maroteaux-L. syndrome.
A digitalis glycoside from the leaves of Digitalis lanata, yielding the genin diginatigenin (12-hydroxygitoxigenin; 16-hydroxydigoxigenin).
lanatosides A, B, and C
Digilanides A, B, and C; the cardioactive precursor glycosides obtained from Digitalis lanata. Removal of the acetyl group yields desacetyllanatosides A, B, and C (purpurea ...
1. To incise a part, as an abscess or boil. 2. A lancet. [L. lancea, a slender spear]
Rebecca Craighill, U.S. bacteriologist, 1895–1981. See L. classification.
A surgical knife with a short, wide, sharp-pointed, two-edged blade. [Fr. lancette]
- gum l. a l. used for incising the gum over the crown of an erupting tooth.
- spring l. a l. ...
A small pointed knife; a surgical instrument with a short, wide, sharp-pointed, two-edged blade; a little knife with a small point. Lancets are used today to prick the skin (a ...
A weekly medical journal headquartered in London. Published uninterruptedly and with the same title since 1823, The Lancet is "the longest running medical journal in the world." ...
Landau-Kleffner syndrome (LKS)
A disorder with seizures starting in childhood in which the patient loses skills, such as speech, and develops behavior characteristic of autism. A major feature of LKS is the ...
Louis T.J., French neurologist, 1845–1917. See L.- Dejerine dystrophy, L.-Grasset law.
Jean B.O., French physician, 1826–1865. See L. paralysis, L. syndrome, L.-Guillain- Barré syndrome.
Landry’s ascending paralysis
A particularly virulent form of Guillain-Barre syndrome. The disorder often begins with a flu-like illness that brings on general physical weakness, but is then characterized by ...
Karl, Austrian-U.S. pathologist and Nobel laureate, 1868–1943. See L.- Donath test, Donath-L. cold autoantibody, Donath-L. phenomenon.
John, Swedish surgeon, 1869–1910. See L. muscle.
T., 19th century German anatomist. See L. fossa, Gruber-L. fossa.
Sir William Arbuthnot, English surgeon, 1856–1943. See L. band, L. disease.
Basil T., English ophthalmologist, 1880–1928.
Carl F.A., German biochemist, *1883. See L. solution, L. test.
Cornelia de. See under de L..
F., 20th century Norwegian cardiologist. See Jervell and Lange-Nielsen syndrome.
Bernhard R.K. von, German surgeon, 1810–1887. See L. triangle.
Oscar, German physiologist, 1853–1908. See L. method.
Carl ( Ritter von Edenberg), Austrian anatomist, 1819–1887. See L. arch, L. lines, under line, L. muscle.
Leonard O., American physician. See L.-Saldino syndrome.
Paul, German anatomist, 1847–1888. See L. cells, under cell, L. granule, L. islands, under island, islets of L., under islet.
Langerhans, islets of
Best known as the insulin-producing tissue, the islets of Langerhans do more than that. They are groups of specialized cells in the pancreas that make and secrete hormones. Named ...
Theodor, German pathologist, 1839–1915. See L. cells, under cell, L.-type giant cells, under cell, L. layer, L. stria.
John N., English physiologist, 1852–1925. See L. granules, under granule.
Irving, U.S. chemist and Nobel laureate, 1881–1957. See L. trough.
The use of spoken, manual, written, and other symbols to express, represent, or receive communication. [L. lingua]
- American Sign L. (ASL) the manual sign and gesture l. used by ...
Adapted for tearing; in anatomy, sometimes applied to canine teeth, as l. teeth. [L. lanio, to tear to pieces]
Macrolide antibiotic produced by Streptomyces violaceoniger from the soil of Sri Lanka.
Odilon M., French surgeon and pathologist, 1840–1911. See L. foramina, under foramen, L. ligaments, under ligament.
SYN: adeps lanae. [L. lana, wool, + oleum, oil]
- anhydrous l. l. that contains not more than 0.25% of water; used as a water-adsorbable ointment base.
A zoosterol synthesized from squalene and a precursor to cholesterol.
A.J., 19th century U.S. anatomist in Strasbourg. See L. incisures, under incisure, L. segments, under segment, Schmidt-L. clefts, under cleft, Schmidt-L. incisures, under ...
Rarely used term denoting a disease process that produces no symptoms or clinical evidence of illness. [G. lanthano, to lie hidden]
Those elements with atomic numbers 57–71 that closely resemble one another chemically and were once difficult to separate from one another. SYN: rare earth elements. [lanthanum, ...
A metallic element, atomic no. 57, atomic wt. 138.9055; first of the rare earth elements (lanthanides). [G. lanthano, to lie hidden]
- l. nitrate La(NO3)3; used in electron ...
3,3′-Thiodialanine; an amino acid obtained from wood that resembles cystine but has only one sulfur atom in the molecule rather than two; i.e., a sulfide rather than a ...
Downy hair on the body of the fetus and newborn baby. It is the first hair to be produced by the fetal hair follicles, usually appearing on the fetus at about five months of ...
Otto, Swiss surgeon in Amsterdam, 1865–1935. See L. line.
Abbreviation for left anterior oblique projection, used in chest radiography, especially to assess the size of the left atrium and ventricle.
Abbreviation for leukocyte alkaline phosphatase. See alkaline phosphatase.
The loins (less properly, the abdomen in general). [G. lapara, flank, loins]
SYN: abdominal hernia. [ laparo- + G. kele, hernia]
Having to do with the introduction of a laparoscope into the abdominal cavity for a variety of intracavitary procedures.
Inspection of interior of the stomach after a gastrotomy. [ laparo- + G. gaster, stomach, + skopeo, to view]
Inflammation of the lateral abdominal muscles. [ laparo- + G. mys, muscle, + -itis, inflammation]
An instrument through which structures within the abdomen and pelvis can be seen. A small surgical incision (cut) is made in the abdominal wall to permit the laparoscope to enter ...
Laparoscopic assisted vaginal hysterectomy
A procedure using laparoscopic techniques to remove the uterus (womb) and/or tubes and ovaries through the vagina (birth canal). Laparoscopic assisted vaginal hysterectomy is ...
Examination of the contents of the abdominopelvic cavity with a laparoscope passed through the abdominal wall. SEE ALSO: peritoneoscopy. SYN: abdominoscopy.L. first became ...
: An operation to open the abdomen. The word "laparotomy" was first used to designate this operation in 1878 by an English surgeon, Thomas Bryant. The word has an interesting ...
Louis, French physiologist, 1866–1952. See L. law.
Serial passage of a virus or vaccine in rabbits. [Fr. lapin, rabbit]
Denoting viruses which have been adapted to develop in rabbits by serial transfers in this species. [Fr. lapin, rabbit]
Ernest, U.S. surgeon, 1861–1924. See L. forceps.
Pierre S. de, French mathematician, 1749–1827. See L. law.
Ernst, German physiologist, *1910. See L. stain for alcoholic hyalin.
SYN: adeps (2). [L. lardum]
- benzoinated l. used as a lubricant, in the manufacture of soap, for oiling wool, and as an illuminant. Formerly used as an ointment base.
Another name for the large intestine. The word "bowel" originated from the Latin "botulus" meaning "sausage."
Comes after the small intestine. Large because it is wider than the small intestine.
Large saphenous vein
The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the surface). The large saphenous vein goes from the foot all the way up to ...
Zvi, Israeli pediatric endocrinologist, *1927. See L. type dwarfism.
Lucien, French surgeon, 1831–1902. See L. operation.
Baron Dominique Jean de, French surgeon, 1766–1842. See L. cleft.
Loren J., U.S. orthopedic surgeon, *1914. See L. syndrome.
Tage Konrad Leopold, Swedish scientist, *1905. See Sjögren-L. syndrome.
1. The wormlike developmental stage or stages of an insect or helminth that are markedly different from the adult and undergo subsequent metamorphosis; a grub, maggot, or ...
Cutaneous larva migrans caused by rapidly moving larvae of Strongyloides stercoralis (up to 10 cm per hr), typically extending from the anal area down the upper thighs and ...
A larval worm, typically a nematode, that wanders for a period in the host tissues but does not develop to the adult stage; this usually occurs in unusual hosts that inhibit ...
1. Relating to larvae. 2. SYN: larvate.
Masked or concealed; applied to a disease with undeveloped, absent, or atypical symptoms. SYN: larvaceous, larval (2). [L. larva, mask]
An agent that kills larvae. [larva + L. caedo, to kill]
Larvae-bearing; denoting passage of larvae, rather than eggs, from the body of the female, as in certain nematodes and insects. [larva + L. pario, to bear]
Consuming larvae; certain l. fish are used in mosquito control. [larva + G. phago, to eat]
: Having to do with the larynx (the voice box).
* * *
Relating in any way to the larynx.
A voice disorder, also called spasmodic dysphonia, caused by involuntary movements of one or more muscles of the larynx or voice box. People who have spasmodic dysphonia may ...
Laryngeal framework surgery
A surgical technique designed to improve the voice by altering the cartilages of the larynx (the voice box), which houses the vocal folds (the vocal cords) in order to change the ...
Laryngeal nerve palsy
Paralysis of the larynx (voice box) caused by damage to the recurrent laryngeal nerve or its parent nerve, the vagus nerve, which originates in the brainstem and runs down to ...
Laryngeal nerve, recurrent
One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After the recurrent laryngeal nerve leaves the vagus nerve, it goes down ...
Paralysis of the recurrent laryngeal nerve, a branch of the vagus nerve (a long and important nerve that originates in the brainstem and runs down to the colon). After the ...
A warty growth in the larynx, usually on the vocal cords. Persistent hoarseness is a common symptom. Laryngeal papillomatosis involves numerous warty growths on the vocal ...
Laryngeal papillomatosis is the growth of numerous warty growths on the vocal cords. The disease is most common in young children. Laryngeal papillomatosis can be due to the ...
Laryngeal papillomatosis, juvenile
Juvenile laryngeal papillomatosis involves the growth of numerous warty growths on the vocal cords in children and young adults. A baby can contract juvenile laryngeal ...
: A person who has had his or her larynx (voice box) removed. A partial laryngectomy preserves the voice. The surgeon removes only part of the voice box, just one vocal cord, ...
: Surgery to remove part or all of the larynx is a partial or total laryngectomy. In either operation, the surgeon performs a tracheostomy, creating an opening called a stoma in ...
A laryngectomy that preserves the voice. The surgeon removes only part of the voice box—just one vocal cord, part of a cord, or just the epiglottis—and the stoma is ...
A laryngectomy in which the whole voice box is removed, and the stoma is permanent. The patient breathes through the stoma, and must learn to talk in a new way.
A spasmodic narrowing or closure of the rima glottidis. [L. fr. G. larynx, + -ismos, -ism]
- l. stridulus a spasmodic closure of the glottis, causing noisy inspiration. ...
Inflammation of the mucous membrane of the larynx. [laryngo- + G. -itis, inflammation]
- chronic posterior l. a form of l. involving principally the interarytenoid area; thought ...
An air sac communicating with the larynx through the ventricle, often bulging outward into the tissue of the neck, especially during coughing and playing of wind instruments. ...
Operative opening into the larynx, generally through the midline, commonly done for the excision of early carcinoma or the correction of laryngostenosis. SYN: median ...
An instrument for making a tracing of the movements of the vocal folds. [laryngo- + G. grapho, to write]
Radiography of the larynx after coating mucosal surfaces with contrast material.
The branch of medical science concerned with the larynx and the voice; the specialty of diseases of the larynx. [laryngo- + G. logos, study]
A soft floppy larynx (voice box).
* * *
SYN: chondromalacia of larynx. [laryngo- + G. malakia, a softness]
The part of the pharynx lying below the aperture of the larynx and behind the larynx; it extends from the vestibule of the larynx to the esophagus at the level of the inferior ...
Tuberculosis of the larynx. [laryngo- + G. phthisis, a wasting]
Reparative or plastic surgery of the larynx. [laryngo- + G. plasso, to form]
SYN: laryngoparalysis. [laryngo- + G. plege, stroke]
An abnormally low position of the larynx, which may be congenital or acquired; does not impair the health of the neonate. Some degree of l. occurs with aging. [laryngo- + G. ...
: A flexible, lighted tube used to look at the inside of the larynx (the voice box). The laryngoscope is inserted through the mouth into the upper airway. History: The ...
: A person who uses a laryngoscope, a flexible, lighted tube used to look at the inside of the larynx (the voice box). The laryngoscope is inserted through the mouth into the ...
: Examination of the larynx with a mirror (indirect laryngoscopy) or with a laryngoscope (direct laryngoscopy). The laryngoscope is a flexible, lighted tube used to look at ...
Spasmodic closure of the glottic aperture. SYN: glottidospasm, laryngospastic reflex.
More commonly known as croup, this is an infection of the larynx, trachea, and the bronchial tubes, that occurs mainly in children. It is usually caused by viruses, less often by ...
Stricture or narrowing of the lumen of the larynx. [laryngo- + G. stenosis, a narrowing]
The establishment of a permanent opening from the neck into the larynx. [laryngo- + G. stoma, mouth]
Apparatus for observing the motion of the vocal folds during phonation with intermittent illumination. As the frequency of illumination approaches the frequency of opening and ...
A surgical incision of the larynx. [laryngo- + G. tome, incision]
- inferior l. SYN: cricothyrotomy.
- median l. SYN: laryngofissure.
- superior l. incision through the ...
The larynx is the portion of the breathing, or respiratory, tract containing the vocal cords which produce vocal sound. It is located between the pharynx and the trachea. The ...
To cut, divide, or dissolve a substance, or to treat an anatomical structure, with a laser beam.
Ernest C., French physician, 1816–1883. See L. sign, L. syndrome.
: A powerful beam of light that can produce intense heat when focused at close range. Lasers are used in medicine in microsurgery, cauterization, for diagnostic purposes, etc. ...
The coagulation (clotting) of tissue using a laser. A coagulation laser produces light in the visible green wavelength that is selectively absorbed by hemoglobin, the pigment ...
The production of smoke with laser ablation; can cause respiratory difficulty for operative personnel. [L. pluma, feather]
Laser surgery, YAG
The use of a YAG (yttrium-aluminum-garnet) laser to do surgery. One use for a YAG laser in surgery is to punch a hole in the iris to relieve increased pressure within the eye ...
A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum. Excimer lasers are used in medicine. For examples, In ophthalmology — to vaporize ...
Laser-assisted in situ keratomileusis
A kind of laser eye surgery designed to change the shape of the cornea to eliminate or reduce the need for glasses and contact lenses in cases of severe myopia ...
The use of a laser beam to cut, divide, or dissolve a substance, or to treat an anatomical structure.
Abraham Fae, U.S. obstetrician-gynecologist, *1898. See L. operation.
Abbreviation standing for laser-assisted in situ keratomileusis, a kind of laser eye surgery designed to change the shape of the cornea to eliminate or reduce the need for ...
An acute viral infection found in the tropics, especially in West Africa. Epidemics of Lassa fever have occurred in countries such as Sierra Leone, Congo (formerly Zaire), ...
A sense of weariness. [L. lassitudo, fr. lassus, weary]
Last menstrual period
By convention, pregnancies are dated in weeks starting from the first day of a woman's last menstrual period (LMP). If her menstrual periods are regular and ovulation occurs on ...
One of the pathologic startle syndromes. A culture-bound disorder characterized by an exaggerated physical response to being startled or to unexpected suggestion, the subjects ...
André, French anatomist, 1877–1947. See L. nerve, L. vein.
A flask-shaped region in large-yolked eggs extending from the animal pole to a dilated terminal portion near the center of the yolk; it contains the main bulk of the white yolk. ...
1. The state of being latent. 2. In conditioning, or other behavioral experiments, the period of apparent inactivity between the time the stimulus is presented and the moment ...
Not manifest, dormant, but potentially discernible. [L. lateo, pres. p. latens (-ent-), to lie hidden]
Toward the side. [L. latus, side, + ad, to]
The side of the body or body part that is farther from the middle or center (median) of the body. Typically, lateral refers to the outer side of the body part, but it is also used ...
Lateral (anatomic orientation)
Toward the left or right side of the body, as opposed to medial. The eyes are lateral to the nose. For a more complete listing of terms used in medicine for spatial ...
Lateral collateral ligament (LCL) of the knee
The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint (collateral ligaments) as well as crossing within the joint (cruciate ...
Lateral meniscus of the knee
The word " meniscus" refers to a crescent-shaped structure. The lateral meniscus of the knee is a thickened crescent-shaped cartilage pad between the two joints formed by the ...
One cavity in a system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of two lateral ...
SYN: lateral (1), lateral (2), lateral. [L.]
Referring to a side of the body or of a structure; specifically, the dominance of one side of the brain or the body.
- crossed l. right dominance of some members, e.g., arm or ...
The process whereby certain embryological asymmetries of structure (such as the right-side location of the liver and the structure of the great vessels) and function (handedness) ...
Lateral, to one side. [L. lateralis, lateral, fr. latus, side]
Relating to the sides of the abdomen, to the loins or flanks.
A bending or a displacement to one side. [ latero- + L. devio, to turn aside, fr. via, a way]
A drawing to one side; denoting turning of the eyeball away from the midline. SYN: exduction. [ latero- + L. duco, pp. ductus, to lead]
A bending or curvature to one side. SYN: lateriflexion, lateriflection. [ latero- + L. flecto, pp. flexus, to bend]
An involuntary sidewise movement occurring in certain nervous affections. [ latero- + L. pello, pp. pulsus, to push, drive]
A twisting to one side; denoting rotation of the eyeball around its anteroposterior axis, so that the top part of the cornea turns away from the sagittal plane. [ latero- + L. ...
The outward thrust given by the muscles of mastication to the rotating mandibular condyle during movement of the mandible. [ latero- + L. trudo, pp. trusus, to thrust]
Version to one side or the other, denoting especially a malposition of the uterus. [ latero- + L. verto, pp. versus, to turn]
1. An emulsion or suspension produced by some seed plants; it contains suspended microscopic globules of natural rubber. 2. Similar synthetic materials such as polystyrene, ...
A motor-driven machine with a rotating shaft that can be fitted with various types of cutting instruments, grinding stones and polishing wheels; used in finishing and polishing ...
A disease occurring in Ethiopia, Algeria, and India, characterized by various nervous manifestations, tremors, spastic paraplegia, and paresthesias; prevalent in districts where ...
An agent or drug, occurring naturally or used experimentally, that induces lathyrism.
A statistical design for experiments that removes from experimental error the variation from two sources that may be identified with the rows and columns of a square. The ...
The range of light or x-ray exposure acceptable with a given photographic emulsion. See l. film. SYN: digital gray scale, gray scale. [L. latitudo, width, fr. latus, wide]
A genus of relatively small spiders, the widow spiders, capable of inflicting highly poisonous, neurotoxic, painful bites; they are responsible, along with Loxosceles species ...
Abbreviation for long-acting thyroid stimulator.
A regular arrangement of units into an array such that a plane passing through two units of a particular type or in a particular interrelationship will pass through an indefinite ...
SYN: flank. [L. side]
Wilhelm, Austrian obstetrician, 1863–1945. See L. cesarean section.
A term from the past used to describe a quality of pus (thick and creamy) that suggested the wound would ultimately heal through granulation process and not be associated with ...
An isoquinoline alkaloid derived from the mother liquor of morphine; it causes tetanoid convulsions, with action similar to that of strychnine.
An isoquinoline alkaloid obtained from the mother liquor of morphine; it causes tetanic convulsions.
A tincture containing opium. [G. ledanon, a resinous gum]
Nitrous oxide, a gas that can cause general anesthesia. Nitrous oxide is sometimes given in the company of other anesthetic agents but it is never used today as the only ...
Stanislas, French surgeon, 1799–1872. See L. hernia.
Jean B.P.N.R., French surgeon, 1749–1818. See L. ganglion.
Pierre E., French physician, 1856–1914. See L.- Cléret syndrome, L.-Bensaude syndrome.
A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper trunk, arms and legs. The condition is thought to be genetic although ...
John Zachariah, British ophthalmologist, 1830–1874. See L.- Moon syndrome.
Johann F., German pharmacologist, 1798–1873. See L. canal.
A fatty acid occurring in spermaceti, in milk, and in laurel, coconut, and palm oils as well as waxes and marine fats. SYN: n-dodecanoic acid.
Charles, English chemist, 1836–1913. See L. violet.
Ernst A., German physician, 1803–1837. See L. canal.
Thomas, German anatomist and surgeon, 1758–1826. See L. ligament.
Abbreviation for lymphadenopathy-associated virus.
Washing out. Gastric lavage is washing out the stomach, for example, to remove drugs or poisons.
* * *
The washing out of a hollow cavity or organ by copious injections and ...
Michail D., Russian histologist, 1846–1902. See L. nucleoid.
Old generic name for malaria-causing and other hematozoan protozoa. L. falciparum is a distinctive generic name for Plasmodium falciparum, and is preferred by some who believe ...
An instrument for irrigation or lavage. [Fr.]
Laparoscopic assisted vaginal hysterectomy, a procedure using laparoscopic techniques to remove the uterus (womb) and/or tubes and ovaries through the vagina (birth canal). In ...
1. A principle or rule. 2. A statement of fact detailing a sequence or relation of phenomena that is invariable under given conditions. SEE ALSO: principle, rule, theorem. [A.S. ...
Basic concept in population genetics discovered independently in 1908 by the great English mathematician G(odfrey) H(arold) Hardy and Wilhelm Weinberg, a physician in Germany. ...
Robert D., English physician, 1892–1968. See L.- Seip syndrome.
An artificial transplutonium element; atomic no. 103; atomic wt. 262.11. [E.O. Lawrence, U.S. physicist and Nobel laureate, 1901–1958]
Bowel movement, with or without laxatives. [see laxative]
Something that loosens the bowels. Used to combat constipation (and sometimes overused, producing diarrhea). The word “laxative” comes from the Latin “laxare” meaning ...
A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: ...
Obsolete term for: 1. A hospital for the treatment of contagious diseases. 2. A place of detention for persons in quarantine. [It. lazzaretto, fr. lazzaro, a leper]
An eye that diverges in gaze. A lazy eye is more formally called strabismus. A lazy eye (strabismus) can be due to either esotropia (cross-eyed) or exotropia (wall-eyed). The ...
Abbreviation for pound.
The abbreviation for pound, the measure of weight, lb. (plural: lb. or lbs.) stands for "libra" (Latin for pound).
Abbreviation for Lactobacillus bulgaricus factor.
Abbreviation for lecithin-cholesterol acyltransferase.
Acute fatty liver of pregnancy (AFLP) has been found to be associated in some cases with an abnormality of fatty-acid metabolism. This abnormality is a deficiency of the enzyme ...
LCL (lateral collateral ligament) of the knee
The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint (collateral ligaments) as well as crossing within the joint (cruciate ...
Abbreviation for lethal dose.
Abbreviation for lactate dehydrogenase.
Abbreviation for low density lipoprotein. See lipoprotein.
Lipoproteins which are combinations of lipids (fats) and proteins are the form in which lipids are transported in the blood. The low-density lipoproteins transport cholesterol ...