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The average height of an individual colony is 4–6 centimetres (1 + 1 ⁄ 2 – 2 + 1 ⁄ 2 inches) and the diameter of the polyp and tentacles is 1 cm (1 ⁄ 2 in). Tubularia occurs either individually or in colonies, both being dioecious and possessing large, brilliantly coloured, flowerlike hydrants.
A typical sea anemone is a sessile polyp attached at the base to the surface beneath it by an adhesive foot, called a basal or pedal disc, with a column-shaped body topped by an oral disc. Most are from 1 to 5 cm (0.4 to 2.0 in) in diameter and 1.5 to 10 cm (0.6 to 3.9 in) in length, but they are inflatable and vary greatly in dimensions.
This consists of a tubular column topped by a flattened area, the oral disc, with a central mouth; a whorl of tentacles surrounds the mouth. In solitary individuals, the base of the polyp is the foot or pedal disc, which adheres to the substrate, while in colonial polyps, the base links to other polyps in the colony. [2] Anatomy of a stony ...
In the class Hydrozoa, the polyps are indeed often very simple, like the common little fresh water species of the genus Hydra. Anthozoan polyps, including the corals and sea anemones, are much more complex due to the development of a tubular stomodaeum leading inward from the mouth and a series of radial partitions called mesenteries. Many of ...
Fundic gland polyposis is a medical syndrome where the fundus and the body of the stomach develop many fundic gland polyps.The condition has been described both in patients with familial adenomatous polyposis (FAP) and attenuated variants (AFAP), and in patients in whom it occurs sporadically.
C. filiformis is widespread throughout the tropical waters of the western Indo-Pacific Ocean. Tube dwelling anemones such as C. filiformis live in a mucous tube that they secrete in soft sand or sediment, unlike more typical anemones whose muscular foot holds on to rock or coral.
A polyp is an abnormal growth of tissue projecting from a mucous membrane. If it is attached to the surface by a narrow elongated stalk, it is said to be pedunculated; if it is attached without a stalk, it is said to be sessile. Polyps are commonly found in the colon, stomach, nose, ear, sinus(es), urinary bladder, and uterus.
The polyps are hermaphrodite, possessing four sets of male and four sets of female gonads.Pocillopora can reproduce asexually via fragmentation. [3] They also reproduce sexually and the larvae develop inside the polyps rather than free floating in the water, a reproduction strategy known as brooding.