单词 | mesocoel |
释义 | mesocoel/ˈmɛsə(ʊ)siːl/(also mesocele, mesocoele) noun 1 Anatomy and Zoology. In forms mesocele, mesocoele. The cerebral aqueduct or its embryonic precursor. rare. 2 Zoology. The middle division of a tripartite coelom; (in hemichordates) the coelomic compartment of the mesosoma or collar; (in echinoderms) the part of the coelom forming the water-vascular system. OriginLate 19th century. From meso- + -coele, in sense 1 after mesocoelia. |
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