polyp

n. 息肉、水螅蟲

學術名詞

• 息肉：醫學、病理學、獸醫學
• 水螅：地質學、醫學
• 珊瑚蟲〔水螅型〕：地質學
• 珊瑚蟲[水螅型]：醫學

英文釋義

1. a small vascular growth on the surface of a mucous membrane
2. 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