Crustaceans

Crustaceans

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

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alice1

Beijing, China

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Crustaceans

accomodation groove

Animals; Crustaceans

Hinge structure; longitudinal groove above median hinge element. Receives dorsal edge of opposite valve.

four-celled sense organ

Animals; Crustaceans

In anaspidacean, small pigmented area anterior to cervical groove on dorsal surface of head.

processus masculinus

Animals; Crustaceans

In antenna of male in most mysidaceans, setose lobe projecting (along with two flagella) from last (third) peduncular segment.

coxicerite

Animals; Crustaceans

In antenna, term applied to first of two segments (coxicerite, basicerite) of peduncle.

merocerite

Animals; Crustaceans

In antenna, term applied to second of three segments (ischiocerite, merocerite, carpocerite) of outer branch (endopod); alternate interpretation: fourth segment of peduncle.

labyrinth

Animals; Crustaceans

In antennal gland, more distal of two divisions (saccule, labyrinth) of end sac. Characterized by complexly folded walls and opening either directly or indirectly (via excretory tubule) into bladder.