rostellum

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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.

ros·tel·lum

(ros-tel'ŭm),
The anterior fixed or invertible portion of the scolex of a tapeworm, frequently provided with a row (or several rows) of hooks.
[L. dim. of rostrum, a beak]

rostellum

(rŏ-stĕl′əm)
n. pl. rostella (rŏ-stĕl′ə)
A small beaklike part, such as a projection on the stigma of an orchid or the hooked projection on the head of a tapeworm.

ros·tel′lar adj.

ros·tel·lum

(ros-tel'ŭm)
The anterior fixed or invertible portion of the scolex of a tapeworm, frequently provided with a row (or several rows) of hooks.
[L. dim. of rostrum, a beak]

rostellum

  1. a protruding, beak-like structure in some insects.
  2. the protrusion carrying the hooks on the SCOLEX of tapeworms.