Lactoside : A glycoside whose suga_r constituent is lactose.
Lactosidosis : The accumulation of lactoside in tissues.
Lactosuria: The presence of lactose in the urine.
Lactotherapy : Treatment by milk diet.
Lactotoxin : A toxic substance fonned in milk.
Lactalose : A synthetic disaccharide, 4-0-J3-D-glactopyranosyl-D-fructose, used as a cathartic.
Lacuna: A small pit or depression; a hollow cavity as found in bones. Lacunes : Small irregularly jagged cavities in the brain.
Lag period: The period of time elapsing between the application of a stimulus and resulting reaction. Lageniform : Flask-shaped. Lambda: The point at the site of the posterior fontanel where the lambdoid and sagittal sutures meet. LameUa : (1) A small disc of glycerin jelly. (2) A thin leaf or plate. (3) A thin membrane between two cells. Lamella interstitial: Bone lamella filling. irregular spaces between concentric lamellae.
Lamellar: Resembling lamellae; arranged in thin plates.
Lameness: Hobbing due to loss of function in the leg.
Lamina: (1) Leaf blade or extended part of a leaf; a layer or a thin flat plate. (2) The flattened part of either side of the arch of vertebra.
Laminar airOow : Filtered air moving aloQg separate parallel flow planes in the specific area.
Laminarin : A polysaccharide from seaweed consisting essentially of J3-D-glucose residues.
Laminitis: Inflammation of a lamina.
Laminotomy: Division of the lamina of a vertebra.
Lamp: An apparatus for furnishing heat or light.
- Arc lamp: A source of light
consisting of gaseous particles from the electrodes of an electric arc.
- Carbon arc lamp: A lamp that produces an intense white from an electric arc between carbon rods.
-Infrared lamp: A lamp which produces high tempcrature emitting infrared rays.
- Slit lamp: One embodying a diaphragm containing a slit like opening, by means of which a narrow flat beam of intense light is
projected into the eye. .
- Tungsten arc lamp: An electric arc lamp having tungsten electodes, used to treat acne,
alopecia, etc.
Lanatoside C : An easily absorbed tlnd stable glycoside obtained from the leaves of Digitalis lanata, used as a cardiotonic.
Lanceolate : Shape like a lance, much longer than broad widest in the middle and tapering to a pointed apex.
Langerhan's islands: Stellate dendritic cells, which have an
Lanosterol: A triterpenic sterol, yoHsoO, formed from squalene, being itself converted in cholesterol.
Laparoscopy : Examination of the interior of the abdomen by laparoscope.
Laparatomy : operation in which the abdominal cavity is opened. Lard : A purified internal fat of the hog containing mainly stearin, palmitin and olein.
Lard oil : A colourless or yellowish liquid with peculiar odour and bland taste derived by cold pressing oflard. - Benzoinated lard : A preparation
of lard containing 1 per cent benzoin, used as a vehicle for
medicinal agents and in ointments.
Larva: An independent, motile, development stage in the life history of an animal.
Larvacide: Destructive to larvae.
Larvae: Insects in the stage between egg and pupa where they are structurally and functionally quite different from manure insects.
Larvivorous : Feeding on or consuming larvae.
Laryngectomy: The operation for removal of the larynx. Laryngalgia : Pain in the larynx. Laryngeal spasm (Largnospasm) : A sudden, abormal contraction of larynx.
Laryngismus: Spasm of the larynx. Laryngitis: Inflammation of the larynx.
Laryngology: Study of disorders and diseases of the larynx. Larynogopharyngeal: Pertaining to the larynx and pharynx. LaryngopharyngitiS: Inflammation of the larynx and pharynx.
Laryngopharynx: The portion of which lies below the upper edge of the epiglottis and opens into the larynx and esophagus.
Laryngoplegia: Paralysis of the larynx.
Laryngorrhagia : Haemorrhage from the larynx.
Larynogorrhea : Excessive secretipn of mucus whenever the voice is used.
Laryngoscope: An endoscope for use in direct visual examination of the larynx.
Lanyngoscopy : Examination of the interior of the larynx. Laryngostomy: Surgical opening into the larynx.
Laryngotome : An instrument used in incising the larynx. Laryngotomy: Surgical incision of the larynx.
Laryngoxerosis: Dryness of the larynx.
Larynx: The organ of voice.
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