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

post-mandibular appendages

Animals; Crustaceans

The cephalic limbs maxilla 1, maxilla 2 plus the thoracic limbs maxilliped, swimming legs 1-4, limbs 5-6, and the caudal ramus. Except for the caudal ramus, these appendages are added in strict ...

hemolymph

Animals; Crustaceans

The circulating and tissue-bathing fluid of arthropods; composed of cells and plasma; often loosely termed as blood.

ontogenic

Animals; Crustaceans

The course of growth and development of an individual to maturity.

brachium

Animals; Crustaceans

The digital segment of the maxilla of some siphonostomatoid copepods, corresponding to the basis plus basal endite.

dorsal orifice

Animals; Crustaceans

The distal opening of the sperm tube in the janiroidean male's first pleopod.

tagmosis

Animals; Crustaceans

The division of the body into functional regions.

The earliest step of a developing limb; a limb bud does not articulate with its somite and bear setae including at least the crown group of terminal setae. A limb bud often is considered functionless ...