rostellum (plural rostella or rostellums)
A small beak-like process or extension; a small rostrum.
(botany) A projecting part of the column in the flower of an orchid that separates the male stamen from the female gynoecium.
(biology) A retractable protruding part at the anterior end of a soft-bodied tapeworm; the scolex from which it protrudes is often armed with hooks which serve to keep it in place attached to the host.
Source: Wiktionary
Ros*tel"lum, n.; pl. Rostella. Etym: [L. See Rostel.]
Definition: A small beaklike process or extension of some part; a small rostrum; as, the rostellum of the stigma of violets, or of the operculum of many mosses; the rostellum on the head of a tapeworm.
Source: Webster’s Unabridged Dictionary 1913 Edition
20 November 2024
(noun) an injection of a liquid through the anus to stimulate evacuation; sometimes used for diagnostic purposes
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