pereion

pereion

(pəˈraɪən)
n
(Zoology) zoology the thorax of a crustacean
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References in periodicals archive ?
Ligia exotica has seven pairs of pereiopods on the ventral side of the pereion (thorax), five pairs of pleopods on the pleon (abdomen), and one pair of uropods at the end of the body (Fig.