any of the spindleshaped nodules found in heart tissue and associated with the myocarditis of rheumatic fever.
Aschoff body Asch·off body (āsh’ôf’, ä’shôf’)
A granulomatous inflammation characteristic of acute rheumatic carditis, consisting of fibrinoid changes in connective tissue and lymphocytes.
the sac in ascomycetes in which the sexual 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 […]
plural of . the sac in ascomycetes in which the sexual spores are formed. Historical Examples asci are cylindrical; spores spindle-shaped, straight or bow-shaped, rough, 35–8; paraphyses thread-shaped. The Mushroom, Edible and Otherwise M. E. Hard The asci are cylindrical, slightly pointed at the apex, 8-spored. The Mushroom, Edible and Otherwise M. E. Hard These […]
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 […]
any solitary or colonial tunicate of the class Ascidiacea, exhibiting in the larval stage the vertebrate characteristics of a notocord and hollow nerve cord. belonging or pertaining to the class 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. […]