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rostellum

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rostellum /ros·tel·lum/ (ros-tel´um) pl. rostel´lae   [L.] a small protuberance of beak, especially the fleshy protuberance of the scolex of a tapeworm, which may or may not bear hooks.
ros·tel·lum (r-stlm)
n. pl. ros·tel·la (r-stl)
A small beaklike part, such as the hooked projection on the head of a tapeworm.

rostellum
[rostel′əm]
Etymology: L, rostrum, beak
1 the anterior of a tapeworm scolex, commonly featuring hooklike jaws.
2 tubular mouth parts of some insects.

rostellum [ros-tel´um]
a small protuberance or beak, especially the fleshy protuberance of the scolex (mouth) of a tapeworm, which may or may not bear hooks.

rostellum
apical projection of the scolex of a tapeworm, which may or may not bear hooks.


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Before the pollen can be placed on the pistil, the rostellum must be lifted.
A membrane called the rostellum separates the flower's anther from the stigma making self-pollination impossible," explains the longtime curer and exporter.
 
 
 
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