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

depressed

Animals; Crustaceans

Flattened from above downwards, or dorsoventrally.

Ganglion adjoining last thoracic ganglion in anterior region of thorax (forming last lobe of six-lobe ganglion mass). May bear smaller pair of lobes; gives rise to two pairs of nerves extending into ...

body somite

Animals; Crustaceans

Generally refers to unit division of thorax + abdomen in contrast to cephalic somite.

poison gland

Animals; Crustaceans

Gland located at base of preoral sting; opens at tip of sting via duct.

costa

Animals; Crustaceans

Type of valve sculpture: prominent rib. Also used as synonym for carina.

node

Animals; Crustaceans

Type of valve sculpture: protuberance of intermediate size (between tubercle and knob). Node associate with attachment of different internal muscles is termed muscle scar node, subcentral tubercle, ...