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hypostome
hypostome (ˈhaɪpəˌstəʊm) n (Zoology) a mouthpart of crustaceans and some other invertebrates, as well as ticks and miteshypostome
hypostome[′hī·pə‚stōm] (invertebrate zoology) Projection surrounding the oral aperture in many cnidarian polyps. Anteroventral part of the head in Diptera. Median ventral mouthpart in ticks. Raised area on the posterior oral margin in crustaceans. hypostome
hy·po·stome (hī'pō-stōm), The central unpaired holdfast organ of the tick capitulum; the hypostome is covered with recurved spines that enable it to serve as an anchoring device while the tick feeds. [hypo- + G. stoma, mouth] hypostome any structure around or below the mouth, such as the oral cone in Hydra. |