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Crustaceans

Any member of the class of arthropods that includes lobsters, crabs, shrimps, wood lice, water fleas, and barnacles.

Contributors in Crustaceans

Crustaceans

gland cone

Animals; Crustaceans

In each antenna, conical projection on second segment of base (peduncle). Bears opening of antennal gland apically.

sternum canal

Animals; Crustaceans

In endoskeleton of crab-like (brachyuran) decapod, tube-like structure enclosing nerve cord; formed by fused inward projections (endosternites) of sternites.

attachment disc

Animals; Crustaceans

In female acrothoracican, anteroventral horny structure used in attachment to burrow. If somewhat elevated, referred to as attachment knob.

copulatory pore

Animals; Crustaceans

In female reprductive system, pore on ventral surface (sternite) of first abdominal segment (genital somite). Opens into seminal receptacle and thus represents, along with two gonopores, third ...

seminal papilla

Animals; Crustaceans

In female reproductive system, one of two papilla-like elevations flanking gonopore (vagina). Each seminal papilla is connected via duct to separate seminal receptacle. Fertilizes egg emerging from ...

gill plate

Animals; Crustaceans

In first pair of maxillipeds, plate-like structure on posteriorly directed part of epipod. Located in branchial chamber; bears series of branchial lobules.

pseudobranchial lobe

Animals; Crustaceans

In male of certain mysidaceans, posteriorly directed projection from basis of endopod of pleopods. (bifid, curved, rod-like, spirally coiled).

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