polyp

1. A small vascular growth on the surface of a mucous membrane (synset 114257918)
   is a type of: growth - (pathology) an abnormal proliferation of tissue (as in a tumor)
   subtypes:

   • adenomatous polyp - a polyp that consists of benign neoplastic tissue derived from glandular epithelium
   • sessile polyp - a relatively flat polyp
   • pedunculated polyp - a polyp with a stalk or peduncle
   same as: polypus
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 (synset 101912547)
   "in some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase"
   is a type of: cnidarian, coelenterate - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
   belongs to: cnidaria, coelenterata, phylum cnidaria, phylum coelenterata - hydras; polyps; jellyfishes; sea anemones; corals

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