a small vascular growth on the surface of a mucous membrane
one of two forms that coelenterates take (e.g. a hydra or coral): usually sedentary with a hollow cylindrical body usually with a ring of tentacles around the mouth;
"in some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase"
polyp的用法和樣例:
例句
用作名詞 (n.)
Coral is formed by certain types of polyp. 珊瑚是由某些水螅體構成的。
Preventive reception of colonic polyp is still the best treatment. 結腸息肉預防性切除仍是最好的治療方法。