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

orifice

Animals; Crustaceans

# Opening in sessile barnacle wall occupied by operculum. # Opening in upper part of cirriped shell containing opercular valves. # Aperture.

midgut glands

Animals; Crustaceans

# Paired glandular or storage organs of decapod crustaceans; digestive juices from midgut glands flow via tubules into the caudal (midgut) portion of the posterior chamber. Often called "fat," ...

# Palate-like part of buccal frame in some brachyuran decapods. # Part of epistome forming palate in brachyurans and usually separated from epistome proper by transverse ridge. # Plate inside buccal ...

haft organ

Animals; Crustaceans

Pear- to wedge-shaped appendage of some branchiopods (e.g., Limnadopsis) attached to mid-dorsal surface of head at narrower end.

upper lateral

Animals; Crustaceans

Plate of some cirriped shells.

trunk

Animals; Crustaceans

# Postcephalic portion of body. # The postcephalic body of a crustacean, sometimes divisible into an anterior thorax and posterior abdomen. # Posterior of two divisions (tagmata) of body (head, ...

proctodeum

Animals; Crustaceans

# Posterior part of alimentary canal lined with cuticle of ectodermal origin that is continuous with anus. # Posterior part of alimentary canal lined with cuticle of ectodermal origin. # Hindgut. # ...