Science · 1964 · 29 citations · 0 references
Life SciencesAnatomyZoologyAnimal AnatomyComparative AnatomyMarine Invertebrate BiologyCardiovascular AnatomyCardiovascular PhysiologyCirculatory AnatomyCirculatory PhysiologyEchinoderm ZoologyMarine Animal AnatomyCirculatory System AnatomyCoelom StructureComparative Cardiovascular AnatomyComparative Circulatory AnatomyEchinoderm AnatomyEchinoderm PhysiologyEchinoid BiologyHeart Chambers
A pulsating vessel and a compartmented contractile chamber have been found to move coelomic fluid from the perivisceral cavity into and throughout the hemal system of the sea urchin, Strongylocentrotus purpuratus.