polyp

(redirected from antrochoanal polyp)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to antrochoanal polyp: inverted papilloma
click for a larger image
polyp
pedunculate polyp (top) and sessile polyp (bottom) in a section of large intestine

pol·yp

 (pŏl′ĭp)
n.
1. A body form of a cnidarian, such as a hydra or coral, that is cylindrical in shape, has a mouth usually surrounded by tentacles at one end, and is often attached to something at the other end.
2. A usually nonmalignant growth or tumor protruding from the mucous lining of an organ such as the nose, bladder, or intestine, sometimes causing obstruction.

[Middle English polip, nasal tumor, from Old French polipe, from Latin pōlypus, cuttlefish, nasal tumor, from Greek polupous, poulupous : polu-, poly- + pous, foot; see ped- in Indo-European roots.]

pol′yp·oid′ adj.

polyp

(ˈpɒlɪp)
n
1. (Zoology) zoology one of the two forms of individual that occur in coelenterates. It usually has a hollow cylindrical body with a ring of tentacles around the mouth. Compare medusa2
2. (Pathology) pathol Also called: polypus a small vascularized growth arising from the surface of a mucous membrane, having a rounded base or a stalklike projection
[C16 polip, from French polype nasal polyp, from Latin pōlypus sea animal, nasal polyp, from Greek polupous having many feet]
ˈpolypous adj

pol•yp

(ˈpɒl ɪp)

n.
1. the cylindrical body form in the life cycle of a jellyfish, sea anemone, or other cnidarian, having stinging tentacles around the mouth and usu. having the opposite end attached to a surface. Compare medusa.
2. the individual zooid of a colonial organism, as the bryozoan.
3. a projecting growth from a mucous surface, as of the nose, being either a tumor or a hypertrophy of the mucous membrane.
[1350–1400; Middle English polip, short for polipus nasal tumor < Medieval Latin, Latin pōlypus < dial. Greek poulýpous octopus, nasal tumor (Attic polýpous, genitive polýpodos; see poly-, -pod)]
pol′yp•ous, adj.

pol·yp

(pŏl′ĭp)
A cnidarian in its sedentary stage. Polyps have hollow, tube-shaped bodies with a central mouth on top surrounded by tentacles. Some cnidarians, such as corals and sea anemones, only exist as polyps, while others turn into medusas as adults or lack a polyp stage completely. Compare medusa.

polyp

A tissue growth projecting from the skin or mucous membrane, such as inside the nose.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.polyp - a small vascular growth on the surface of a mucous membranepolyp - a small vascular growth on the surface of a mucous membrane
growth - (pathology) an abnormal proliferation of tissue (as in a tumor)
adenomatous polyp - a polyp that consists of benign neoplastic tissue derived from glandular epithelium; "adenomatous polyps are visible protrusions that can develop on the mucosal surface of the colon or rectum"
sessile polyp - a relatively flat polyp
pedunculated polyp - a polyp with a stalk or peduncle
2.polyp - 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; "in some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase"
Cnidaria, Coelenterata, phylum Cnidaria, phylum Coelenterata - hydras; polyps; jellyfishes; sea anemones; corals
cnidarian, coelenterate - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
Translations
polyp
polyyppi

polyp

[ˈpɒlɪp] N (Med) → pólipo m

polyp

[ˈpɒlɪp] npolype m

polyp

nPolyp m

polyp

[ˈpɒlɪp] n (Zool, Med) → polipo

pol·yp

n. pólipo, cualquier protuberancia o bulto que se desarrolla de una membrana mucosa.

polyp

n pólipo; adenomatous — pólipo adenomatoso; hyperplastic — pólipo hiperplásico; juvenile — pólipo juvenil; nasal — pólipo nasal
References in periodicals archive ?
Surgical, radiologic, and histologic findings of the antrochoanal polyp.
In some cases, a polyp may extend posteriorly into the choana or the nasopharynx and present as an antrochoanal polyp.
The stalk of the antrochoanal polyp was found to be protruding from the natural ostium of the left maxillary sinus.
Differential diagnoses include antrochoanal polyp, hypertrophied adenoids, thornwaldt's s cyst, pituitary tumor, lymphoma, and carcinoma.
The most common type is the antrochoanal polyp, which originates in the mucosa of the maxillary sinus or antrum.
We describe 3 cases of atypical choanal polyps: a sphenochoanal polyp, bilateral antrochoanal polyps, and a giant antrochoanal polyp.
An antrochoanal polyp refers to a solitary lesion that arises in the maxillary antrum of an atopic person, increases in size to widen the sinus ostium, and then extends into the nasal cavity.
hemangioma, antrochoanal polyp, mucocele, thrombosis) and neoplastic lesions (e.
The right-sided polyp mimicked an antrochoanal polyp and extended posteriorly to the nasopharynx without involving the maxillary sinus.
The presentation of a sphenochoanal polyp is similar to that of the more common antrochoanal polyp, but the two can usually be differentiated on computed tomography.
Endoscopic view of antrochoanal polyp appearing as a large oropharyngeal mass.