13 Terms
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Crustaceans
Any member of the class of arthropods that includes lobsters, crabs, shrimps, wood lice, water fleas, and barnacles.
Industry: Animals
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Crustaceans
occipital point
Animals; Crustaceans
One dorsal posterior region of head, protuberance in front of occipital notch.
podopericardial channel
Animals; Crustaceans
One in a series of channels through which blood flows from ventral sinus to gills and appendages.
growth line
Animals; Crustaceans
One in a series of concentric lines on outer surface of each side (valve) of carapace; each growth line marks a successive molt. Number of lines is of taxonomic importance. (distinct, indistinct; ...
thoracic ganglion
Animals; Crustaceans
One in a series of four partially fused ganglia of thorax region. Innervates thoracic appendage (thoracopod). Adjoined anteriorly to subesophageal ganglion and posteriorly to abdominal ganglion to ...
ventral ganglion
Animals; Crustaceans
One in a series of ganglion pairs of ventral nerve cord in thorax (thoracic ganglion) or abdomen (abdominal ganglion). Segmentally arranged, each giving rise to pair of nerves. Ganglion pairs may ...
cephalic hook
Animals; Crustaceans
One in a series of minute, anteriorly directed hooks located on underside of head (cephalon); restricted to anterolateral margins.
sternal gill
Animals; Crustaceans
One in a series of small structures projecting from ventral surfaces (sternites) of pereon segments. Considered to have respiratory or osmoregulatory function.
