madreporite
/mad-ruh-pawr-ahyt, -pohr-, muh-drep-uh-rahyt/US // ˈmæd rəˌpɔr aɪt, -ˌpoʊr-, məˈdrɛp əˌraɪt //
疯人院,疯人节,疯了,疯癫的人
Definitions
n.名词 noun
- 1
- : a sievelike plate in certain echinoderms, through which water passes into the vascular system.
Examples
There are five prominent mouth-shields and a separate madreporite on the ventral surface.
Note on the aboral surface of the disk a small striated calcareous plate, the madreporite or madreporic plate.
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