rostral sinus
(Subclass Cirripedia):
In circulatory system, main pumping organ located in anterior region of body. (Syn. blood pump) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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  • sinus — A blood filled space on the venous side of the circulatory system [Warner, 1977]. Any space or cavity in body tissues; also, refers to broad concavity in margin of shell [Butler, T.H.]. (Order Notostraca): Posterior emargination of carapace;… …   Crustacea glossary

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