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

head pore

Animals; Crustaceans

One of several minute pores in middorsal line of head shield.

antennal muscle

Animals; Crustaceans

One of several well-developed muscles spanning from antenna to dorsal part of head. According to position and function one may distinguish, e.g., antennal levator muscle and antennal adductor muscle.

hepatic lobe

Animals; Crustaceans

One of three pairs of lobes on the cephalolateral margin of the carapace of aeglids delimited anteriorly and posteriorly by emarginations.

dorsoventral muscle

Animals; Crustaceans

One of three pairs of muscles extending in a dorsoventral direction in each trunk segment.

genital appendage

Animals; Crustaceans

One of two reduced appendages on first abdominal somite (= ninth postcephalic segment). Ovisac of female is attached to genital appendage.

lateral midgut diverticulum

Animals; Crustaceans

One of up to several pairs of lateral extensions of midgut. (bifurcate, multilobed, simple).

post-formation seta

Animals; Crustaceans

One or more setae added to a segment after the initial dorsal and/or ventral formation setae have been added. Examples of post-formation setae can be found on the endopod of the maxilliped of ...