| ascetic | In the early church, one who devoted himself to a solitary and contemplative life, characterised by devotion, extreme self-denial, and self-mortification; a hermit; a recluse; hence, one who practices extreme rigor and self-denial in religious things. "I am far from commending those ascetics that take up their quarters in deserts." (Norris) Ascetic theology, the science which treats of the practice of the theological and moral virtues, and the counsels of perfection. Source: Websters Dictionary (01 Mar 1998) |
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| Aschelminthes | A former phylum of the Metazoa which included the class Nematoda and a disparate assortment of other pseudocelomates, each now accorded separate phylum status; they are nonsegmented, bilaterally symmetric, and cylindric or filiform, with a pseudocele body cavity and rounded or pointed ends; they vary considerably in size, and the male is usually smaller than the female. (05 Mar 2000) |
| Ascher's aqueous influx phenomenon | The filling of the aqueous vein, which normally carries blood and aqueous, with aqueous, when the junction of the aqueous vein and the recipient vein is partially occluded. Synonym: Ascher's aqueous influx phenomenon. (05 Mar 2000) |
| Ascher's syndrome | <syndrome> A condition in which a congenital double lip is associated with blepharochalasis and nontoxic thyroid gland enlargement. (05 Mar 2000) |
| Ascher, Karl | <person> U.S. Ophthalmologist, 1887-1971. See: Ascher's aqueous influx phenomenon, Ascher's syndrome. (05 Mar 2000) |
| Aschheim, Selmar | <person> German obstetrician and gynecologist, 1878-1965. See: Aschheim-Zondek test. (05 Mar 2000) |
| Aschheim-Zondek test | An obsolete test for pregnancy; repeated injections of small quantities of urine voided during the first months of pregnancy produce in infantile mice, within 100 hours, minute intrafollicular ovarian haemorrhages, and the development of lutein cells. Synonym: A.-Z. Test, Zondek-Aschheim test. (05 Mar 2000) |
| Aschner's phenomenon | A decrease in pulse rate associated with traction on extraocular muscles or compression of the eyeball; especially sensitive in children; may produce asystolic cardiac arrest. Synonym: Aschner's phenomenon, Aschner's reflex, Aschner-Dagnini reflex, oculovagal reflex. (05 Mar 2000) |
| Aschner's reflex | A decrease in pulse rate associated with traction on extraocular muscles or compression of the eyeball; especially sensitive in children; may produce asystolic cardiac arrest. Synonym: Aschner's phenomenon, Aschner's reflex, Aschner-Dagnini reflex, oculovagal reflex. (05 Mar 2000) |
| Aschner, Bernhard | <person> Austrian gynecologist, 1883-1960. See: Aschner's phenomenon, Aschner's reflex, Aschner-Dagnini reflex. (05 Mar 2000) |
| Aschner-Dagnini reflex | A decrease in pulse rate associated with traction on extraocular muscles or compression of the eyeball; especially sensitive in children; may produce asystolic cardiac arrest. Synonym: Aschner's phenomenon, Aschner's reflex, Aschner-Dagnini reflex, oculovagal reflex. (05 Mar 2000) |
| Aschoff bodies | <pathology> Small granulomas composed of macrophages, lymphocytes and multinucleate cells grouped around eosinophilic hyaline material derived from collagen. Characteristic of the myocarditis of rheumatic fever. (18 Nov 1997) |
| Aschoff cell | A large cell component of rheumatic nodules in the myocardium with a characteristic nucleus and relatively little cytoplasm. (05 Mar 2000) |
| Aschoff nodules | <pathology> Small granulomas composed of macrophages, lymphocytes and multinucleate cells grouped around eosinophilic hyaline material derived from collagen. Characteristic of the myocarditis of rheumatic fever. (18 Nov 1997) |
| Aschoff, Karl Ludwig | <person> German pathologist, 1866-1942. See: Aschoff bodies, Aschoff nodules, node of Aschoff and Tawara, Rokitansky-Aschoff sinuses, Aschoff cell. (05 Mar 2000) |