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polyp

1. A growth, usually benign, that projects from a mucous membrane and resembles (vaguely) (2). 2. The sessile stage of the life cycle of some ...

Polyp

Polyp   Quick reference

A Dictionary of Travel and Tourism

Reference type:
Subject Reference
Current Version:
2012
Subject:
Social sciences
Length:
7 words

... International hotel code for Sunday...

polyp

polyp   Quick reference

A Dictionary of Genetics (8 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Life Sciences
Length:
23 words

... 1. the sedentary form of a coelenterate. 2. a small stalked neoplasm projecting from a mucous surface (for example, an intestinal polyp...

polyp

polyp   Quick reference

A Dictionary of Biology (8 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Life Sciences
Length:
89 words

...polyp The sedentary stage in the life cycle of the Cnidaria , consisting of a cylindrical body fixed at one end to a firm base and having a mouth surrounded by a ring of tentacles at the other. Some polyps (e.g. Hydra ) are single; others (e.g. the corals and Obelia ) form colonies. Polyps typically reproduce asexually by budding to form either new polyps or medusae . The latter reproduce sexually giving rise to new polyps. Sea anemones are solitary polyps that reproduce sexually to form new polyps...

polyp

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A Dictionary of Zoology (5 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Life Sciences
Length:
46 words
Illustration(s):
1

... The soft-bodied, usually sedentary form of Cnidaria , consisting of a cylindrical trunk which is fixed at one end, with the mouth surrounded by tentacles at the other end. In Siphonophora the polyp has been modified for a pelagic , colonial existence. ...

polyp

polyp   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

... A growth, usually benign, on a stalk from the skin or mucous...

polyp

polyp n.   Quick reference

A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
95 words

...polyp ( polypus ) [ pol -ip] n. a growth, usually benign, protruding from a mucous membrane. Polyps are commonly found in the nose and sinuses, giving rise to obstruction, chronic infection, and discharge. Other sites include the ear, the stomach, and the colon; adenomatous colonic polyps may eventually become malignant. Polyps are usually removed endoscopically ( see polypectomy ). juvenile p. a polyp that occurs in the intestine (usually colon or rectum) of infants or young people; sometimes they are multiple ( see polyposis ). Most juvenile...

polyp

polyp n.   Quick reference

Concise Medical Dictionary (10 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Clinical Medicine
Length:
177 words

...have malignant potential, particularly so in larger polyps. Colonoscopy helps to detect and remove colonic polyps. Juvenile polyps occur in the intestine (usually colon or rectum) of infants or young people; sometimes they are multiple ( juvenile polyposis ). In the latter form there is a risk of malignant change (25% of cases) but most juvenile polyps are benign ( see also polyposis ; Peutz-Jeghers syndrome ). Polyps are usually removed endoscopically ( see polypectomy ); polyps that are large, difficult to remove endoscopically, or malignant...

polyp

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World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
25 words

... In medicine, swollen mass projecting from the wall of a cavity lined with mucous membrane, such as the nose. Some growths can be...

polyp

polyp   Quick reference

A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
105 words

... n. A pedunculated , usually benign , growth from a mucous membrane. A fibroepithelial polyp is an overgrowth or firm nodule of fibrous tissue covered by epithelium usually formed in response to chronic irritation. A pulp polyp , sometimes known as chronic hyperplastic pulpitis or proliferative pulpitis , is a proliferation of vascular granulation tissue on the surface of an exposed pulp ; pulpal tissue necrosis which would normally take place does not occur, partly due to the lack of significant intrapulpal pressure. Pulp polyps are...

polyp

polyp   Reference library

The Oxford Companion to the History of Modern Science

Reference type:
Subject Reference
Subject:
Science and technology, History of Science
Length:
492 words

...in its place. Trembley used the name Hydra to stress the extraordinary ability of freshwater polyps to regenerate amputated parts, a concept present in the Greek myths of the Hydra and of Prometheus's liver, which was devoured by an eagle during the day and regrew at night. In 1758, Carl Linnaeus used Hydra as a general term for polyps without distinguishing the three species described by Trembley in 1744 ( M-moires, pour servir à l'histoire d'un genre de polypes d'eau douce, à bras en forme de cornes ) and now identified as Chlorohydra viridissima , ...

polyp

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World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
61 words

... Body type of various species of animal within the phylum Cnidaria. It has a mouth surrounded by extensible tentacles, and a lower end that is adapted for attachment to a surface. It is distinct from the free-swimming medusa. It may be solitary, as in the sea anemone , but is more often an individual of a colonial organism such as coral...

polyp

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A Dictionary of Biomedicine (2 ed.)

Reference type:
Subject Reference
Current Version:
2019

...polyp 1. A growth, usually benign, that projects from a mucous membrane and resembles (vaguely) (2). 2. The sessile stage of the life cycle of some coelenterates (e.g. Hydra ), a cylindrical body attached to the substratum with an apical mouth surrounded by tentacles bearing nematocysts ....

polyp

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A Dictionary of Environment and Conservation (3 ed.)

Reference type:
Subject Reference
Current Version:
2017

... A small tube‐like marine animal which lives in warm, clear seas and grows with one end attached to the sea‐bed, to rocks, or to other polyps. On the other end is a mouth surrounded by finger‐like, stinging tentacles. Live coral is made of polyps...

polyp

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A Dictionary of Ecology (5 ed.)

Reference type:
Subject Reference
Current Version:
2015

... The soft-bodied, usually sedentary form of Cnidaria, consisting of a cylindrical trunk which is fixed at one end, with the mouth surrounded by tentacles at the other end. In Siphonophora the polyp has been modified for a pelagic , colonial...

fibroepithelial polyp

fibroepithelial polyp   Quick reference

Concise Medical Dictionary (10 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Clinical Medicine
Length:
30 words

...polyp a fibrous overgrowth covered by epithelium, often occurring inside the mouth in response to chronic irritation (usually following accidental biting). It is sometimes called a fibrous epulis...

polyp bailout

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A Dictionary of Environment and Conservation (3 ed.)

Reference type:
Subject Reference
Current Version:
2017

... bailout The process by which some stony corals release themselves from their skeleton and drift to a new location, usually induced by...

polyp

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The Concise Oxford Dictionary of English Etymology

Reference type:
Subject Reference
Current Version:
2003
Subject:
Language reference, History of English
Length:
24 words

... (path.) polypus XIV; †octopus, cuttle-fish, or the like XVI; applied gen. to animals of low organization XVIII. — F. polype — L. polypus (see...

polyp

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New Oxford Rhyming Dictionary (2 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Language reference
Length:
118 words

... • blip , chip, clip, dip, drip, equip, flip, grip, gyp, harelip, hip, kip, lip, nip, outstrip, pip, quip, rip, scrip, ship, sip, skip, slip, snip, strip, tip, toodle-pip, trip, whip, yip, zip • biochip • microchip • woodchip • sheepdip • skinny-dip • rosehip • landslip • payslip • fillip , Philip • gymslip • side-slip • polyp • oxlip • cowslip • pillowslip • julep , tulip • Cudlipp • paperclip • catnip • parsnip • turnip • handgrip • cantrip • hairgrip • airstrip • filmstrip • kirby grip • weatherstrip • gossip • airship • midship • kinship...

Poly̲p

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Pocket Oxford German Dictionary: German-English (4 ed.)

Reference type:
Bilingual Dictionary
Current Version:
2012
Subject:
Bilingual dictionaries
Length:
8 words
polyp

polyp noun   Reference library

The Canadian Oxford Dictionary (2 ed.)

Reference type:
English Dictionary
Current Version:
2005
Subject:
English Dictionaries and Thesauri
Length:
40 words

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