| LOR | long open reading frame; lorazepam; loricrin; loss of righting reflex |
|---|---|
| LR | labeled release; laboratory references; laboratory report; labor room; lactated Ringer [solution]; l... |
| LRR | labyrinthine righting reflex; lymph return rate |
| MR | Maddox rods; magnetic resistance; magnetic resonance; mandibular reflex; mannose-resistant; may repe... |
| NDR | neonatal death rate; normal detrusor reflex |
| yellow skin | The occurrence of patches of yellow colour in the skin, resembling xanthoma, but without the nodules or plates. Synonym: cholesteroderma, xanthochroia, xanthoderma, xanthopathy, yellow disease, yellow skin. Origin: xantho-+ G. Chroma, colour (05 Mar 2000) |
|---|---|
| farmer's skin | Dry, wrinkled skin with presence of dry premalignant keratoses; observed most commonly in fair-skinned, blue-eyed persons who are exposed by occupation or sport to sunshine for prolonged periods and over many years. Synonym: golfer's skin, sailor's skin. (05 Mar 2000) |
| layers of skin | See: epidermis, dermis. (05 Mar 2000) |
| lepromin skin test | <investigation> A test for leprosy where an extract of infected tissue (antigen) is injected under the skin to determine if you have a current or recent leprosy infection. Normally, little or no skin reaction should result from the injection. A positive skin reaction indicates a leprosy infection. (27 Sep 1997) |
| loose skin | A group of connective tissue diseases in which skin hangs in loose pendulous folds. It is believed to be associated with decreased elastic tissue formation as well as an abnormality in elastin formation. Cutis laxa is usually a genetic disease, but acquired cases have been reported. (12 Dec 1998) |
| lumpy skin disease | A poxvirus infection of cattle characterised by the appearance of nodules on all parts of the skin. (12 Dec 1998) |
| lumpy skin disease virus | <virology> A species of capripoxvirus causing a cattle disease occurring in africa. (12 Dec 1998) |
| abdominocardiac reflex | Mechanical stimulation (usually distention) of abdominal viscera causing changes (usually a slowing) in the heart rate or the occurrence of extrasystoles. (05 Mar 2000) |
| Abrams' heart reflex | A contraction of the myocardium when the skin of the precordial region is irritated. (05 Mar 2000) |
| accommodation reflex | Increased convexity of the lens, due to contraction of the ciliary muscle and relaxation of the suspensory ligament, to maintain a distinct retinal image. (05 Mar 2000) |
| Achilles reflex | A contraction of the calf muscles when the tendo calcaneus is sharply struck. Synonym: ankle jerk, ankle reflex, tendo Achillis reflex, triceps surae reflex. (05 Mar 2000) |
| acousticopalpebral reflex | A form of the wink reflex in which there is a contraction, sometimes very slight, of the orbicularis palpebrarum muscle when a sudden noise is made close to the ear; it is absent in labyrinthine disease with total deafness. Synonym: acousticopalpebral reflex, auropalpebral reflex, cochleo-orbicular reflex, startle reflex. (05 Mar 2000) |
| acquired reflex | A reflex that is gradually developed by training and association through the frequent repetition of a definite stimulus. See: conditioning. Synonym: acquired reflex, behaviour reflex, trained reflex. (05 Mar 2000) |
| acromial reflex | Contraction of the biceps muscle caused by a tap on the acromion or the coracoid process. (05 Mar 2000) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |