Look up: Hemocoel

1. Hemocoel
   Main body cavity of arthropods, the embryonic development of which differs from that of a true coelom but which includes a vestige of a true coelom.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
2. hemocoel
   (from the article `circulation`) Blood and coelomic fluid are often physically separated by the blood-vessel walls; where a hemocoel (a blood-containing body cavity) exists, however, ... [5 related articles]
   Found on http://www.britannica.com/eb/a-z/h/35
   
   
3. hemocoel
   hemocoel 1. A cavity or series of spaces between the organs of most arthropods and mollusks through which the blood circulates. 2. A series of interconnected spaces between tissues and organs through which blood flows freely, unconfined by veins or arteries, occurring in several invertebrate groups; especially, mollusks and arthropods.
   Found on http://www.wordinfo.info/words/index/inf