Terminology

Terminology - Biology 112; Sections 546&547 1 TA:...

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TA: Krishna C. Develpally 1 TERMINOLOGY EXERCISE 9 – INVERTEBRATE DIVERSITY II 1. Lophophore: A crown of ciliated tentacles that surround the mouth and serve a feeding function. 2. Trochophore: Larval stage present in annelids and mollusks. 3. Auricles: Touch and chemical receptors. 4. Diverticula: Outpouching of a hollow structure in the body. 5. Scolex: Knoblike anterior end of the tapeworm, having suckers or hook-like parts that help in attachment to the host. 6. Rostellum: Apical projection of the scolex of a tapeworm, which may or may not bear hooks. 7. Proglottids: One of the segments of a tapeworm, containing both male and female reproductive organs. 8. Apex: Posterior end of the bivalve shell in Lingula to which the pedicle is attached. 9. Torsion: Gastropods undergo torsion , wherein the mollusc body twists so that the mantle cavity and the organs it holds come to rest over the head. 10.
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This note was uploaded on 04/03/2012 for the course BIOL 112 taught by Professor Vaughn during the Fall '08 term at Texas A&M.

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Terminology - Biology 112; Sections 546&547 1 TA:...

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