a solitary or colonial sedentary form of a coelenterate such as a sea anemone, typically having a columnar body with the mouth uppermost surrounded by a ring of tentacles. In some species, polyps are a phase in the life cycle that alternates with a medusoid phase.
A few, such as Hydra, are solitary polyps that lack a medusoid stage.
a small growth, typically benign and with a stalk, protruding from a mucous membrane.
The laser can also provide relief for symptoms caused by benign airway tumors such as hamartomas, papillomas, polyps , and angiomas.