| MAS | magic angle spinning; Manifest Anxiety Scale; maximum average score; McCune-Albright syndrome; mecon... |
|---|---|
| MDS | Master of Dental Surgery; maternal deprivation syndrome; medical data screening; medical data system... |
| MFD | mandibulofacial dysostosis; midforceps delivery; milk-free diet; minimum fatal dose; multiple fracti... |
| MICAM | maturation index for colostrum and mature milk |
| MOM | milk of magnesia; mucoid otitis media |
| irradiated vitamin D milk | Cow's milk exposed in a thin film to ultraviolet light and standardised to contain 400 USP units of vitamin D per quart. (05 Mar 2000) |
|---|---|
| uterine milk | A whitish fluid secretion between the villi of the placenta, which nourishes the implanting ovum. (05 Mar 2000) |
| lactobacillary milk | Milk inoculated with a culture of Bacillus acidophilus, B. Bulgaricus, or other lactic acid-forming microorganism. (05 Mar 2000) |
| fortified milk | Milk to which some essential nutrient, usually vitamin D, has been added. (05 Mar 2000) |
| fortified vitamin D milk | Milk produced through direct addition of vitamin D; standardised at 400 USP units per quart. (05 Mar 2000) |
| 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) |
| adductor reflex | Contraction of the adductors of the thigh caused by tapping the tendon of the adductor magnus muscle while the thigh is abducted. (05 Mar 2000) |
| anal reflex | Contraction of the internal sphincter gripping the finger passed into the rectum. (05 Mar 2000) |