rostellum


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Related to rostellum: oncosphere, coracidium

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

/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.

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.

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.

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.

rostellum

apical projection of the scolex of a tapeworm, which may or may not bear hooks.
References in periodicals archive ?
The adult tapeworm lives in the small intestine of humans and attaches itself to the intestinal mucosa by a larval head (scolex) that has 4 lateral suckers and a terminal rostellum containing 25 to 50 hooklets (1).