Aschheim-zondek test
a test used to detect whether a woman is pregnant by noting the effect on the ovaries of an immature mouse or rabbit injected with her urine.
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- Aschoff body
any of the spindleshaped nodules found in heart tissue and -ssociated with the myocarditis of rheumatic fever. aschoff body asch·off body (āsh’ôf’, ä’shôf’) n. a granulomatous inflammation characteristic of acute rheumatic carditis, consisting of fibrinoid changes in connective tissue and lymphocytes.
- Ascus
the sac in ascomycetes in which the s-xual spores are formed. historical examples other species contain linear sporidia, which are often the length of the ascus, and may either be simple or septate. fungi: their nature and uses mordecai cubitt cooke in the latter species there are only two spores in an ascus. studies of […]
- Ascidium
a baglike or pitcherlike part. historical examples it is not in all cases easy to trace the origin and true nature of the ascidium, as the venation is sometimes obscure. vegetable teratology maxwell t. masters noun (pl) -cidia (-ˈsɪdɪə) part of a plant that is shaped like a pitcher, such as the modified leaf of […]
- Ascidian
any solitary or colonial tunicate of the cl-ss ascidiacea, exhibiting in the larval stage the vertebrate characteristics of a notocord and hollow nerve cord. belonging or pertaining to the cl-ss ascidiacea. historical examples chabry had published in 1887 some interesting results on the ascidian egg, which strongly supported the roux-weismann theory. form and function e. […]
- Ascigerous
of or relating to . historical examples the lichens, according to the “schwendener hypotheses,” consist of ascigerous fungi parasitic on alg. student’s hand-book of mushrooms of america, edible and poisonous thomas taylor as at present limited, the pyrenomycetes are “ascigerous fungi having the fructification enclosed within a perithecium.” student’s hand-book of mushrooms of america, edible […]