ventral sinus

ventral sinus
(Order Amphipoda):
In circulatory system, large ventral space below digestive tract in which blood collects before entering appendages and gills. (Syn. sternal sinus) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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Look at other dictionaries:

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  • ventral sinus — noun : a cavity of the abdomen of an insect between the ventral diaphragm and the ventral body wall …   Useful english dictionary

  • sinus — 1. [TA] A channel for the passage of blood or lymph, without the coats of an ordinary vessel; e.g., blood passages in the gravid uterus or those in the cerebral meninges. 2. [TA] A cavity or …   Medical dictionary

  • 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

  • ventral diaphragm — (ARTHROPODA: Insecta) A horizontal septum above the nerve cord separating the perineural sinus from the main perivisceral sinus …   Dictionary of invertebrate zoology

  • Definitive urogenital sinus — Urogenital sinus of female human embryo of eight and a half to nine weeks old. (Urogenital sinus labeled at bottom.) …   Wikipedia

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  • Cervical sinus — Pattern of the branchial arches. I IV branchial arches, 1 4 branchial pouches (inside) and/or pharyngeal grooves (outside) a Tuberculum laterale b Tuberculum impar c Foramen cecum d Ductus thyreoglossus e Sinus cervicalis …   Wikipedia

  • urogenital sinus — n the ventral part of the embryonic mammalian cloaca that is formed by the growth of a fold dividing the cloaca where the gut and allantois meet and that eventually forms the neck of the bladder and some of the more distal portions of the… …   Medical dictionary

  • visceral sinus — (ARTHROPODA: Insecta) A central cavity between the dorsal and ventral sinuses, containing the main internal organs …   Dictionary of invertebrate zoology

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