cardiac sinus


cardiac sinus
(ARTHROPODA)
The dorsal part of the embryonic hemocoel of certain arthropods, that corresponds to a circulatory system, a part of which becomes the lumen of the dorsal blood vessel.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

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  • 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


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