Ros·tel'lum noun ; plural Rostella . [ Latin See Rostel .] 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 ro...
Found op http://www.encyclo.co.uk/webster/R/95
<botany> A beak-like upward extension of the stigma in orchids. ... (09 Oct 1997) ...
Found op http://www.mondofacto.com/facts/dictionary?rostellum
(ros-tel´әm) a small protuberance or beak, especially the fleshy protuberance of the scolex (mouth) of a tapeworm, which may or may not bear hooks.
Found op http://www.encyclo.co.uk/local/21001
• (n.) 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.
Found op http://thinkexist.com/dictionary/meaning/rostellum/
(from the article `Orchidales`) In the majority of the orchids, a portion of one of the three stigma lobes forms the rostellum, a flap of tissue that projects down in front of the ...
Found op http://www.britannica.com/eb/a-z/r/69
rostellum 1. A small part of an animal or plant that resembles a beak; for example, the hooked projection from the head of a tapeworm. 2. A small beaklike part, such as a projection on the stigma of an orchid, a tubular mouthpart on some insects, or the hooked projection on the head of a tapeworm.
Found op http://www.wordinfo.info/words/index/info/view_unit/710/
Type: Term Pronunciation: ros-tel′ŭm Definitions: 1. The anterior fixed or invertible portion of the scolex of a tapeworm, frequently provided with a row (or several rows) of hooks.
Found op http://www.medilexicon.com/medicaldictionary.php?t=79016
The rostellum is a projecting part of the column in Orchidaceae flowers, and separates the male stamen from the female gynoecium, commonly preventing self-fertilisation. In many orchids, such as Orchis mascula, the pollinia or pollen masses, are connected by stipes down to adhesive discs attached t...
Found op http://en.wikipedia.org/wiki/Rostellum
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