branchial cleft

branchial cleft
branchial cleft n one of the open or potentially open clefts that occur on each side of the neck region of a vertebrate embryo between the branchial arches, are formed by the meeting of an external furrow in the ectoderm with a pharyngeal pouch, may or may not extend through from the exterior to the cavity of the mouth and pharynx, and correspond to the gill slits of fishes and amphibians called also pharyngeal cleft, pharyngeal slit, visceral cleft

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Medical dictionary. 2011.

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Look at other dictionaries:

  • Branchial cleft cyst — Classification and external resources Fistulography of a right branchial cleft sinus. ICD 10 Q18.0 (ILDS Q18.020) …   Wikipedia

  • branchial cleft — noun one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes • Syn: ↑gill slit, ↑gill cleft • Hypernyms: ↑structure, ↑anatomical structure, ↑complex body part, ↑bodily structure, ↑ …   Useful english dictionary

  • branchial cleft — Zool. one of a series of slitlike openings in the walls of the pharynx between the branchial arches of fishes and aquatic amphibians through which water passes from the pharynx to the exterior. Also called visceral cleft. * * * …   Universalium

  • branchial cleft — one of the internal slits between adjacent arches which permit water to flow from the buccal cavity to the branchial cavity in Teleostomi or to the exterior in Cyclostomata and Elasmobranchii …   Dictionary of ichthyology

  • branchial cleft — see pharyngeal cleft …   The new mediacal dictionary

  • Branchial cleft cyst — Also called a branchial cyst, this is a cavity that is a remnant from embryologic development present at birth in one side of the neck just in front of the large angulated muscle on either side (the sternocleidomastoid muscle). The cyst may not… …   Medical dictionary

  • branchial cleft — A gill slit …   Dictionary of invertebrate zoology

  • Branchial cyst — Also called a branchial cleft cyst, this is a cavity that is a remnant from embryologic development present at birth in one side of the neck just in front of the large angulated muscle on either side (the sternocleidomastoid muscle). The cyst may …   Medical dictionary

  • Branchial clefts — Cleft Cleft, n. [OE. clift; cf. Sw. klyft cave, den, Icel. kluft cleft, Dan. kl[ o]ft, G. kluft. See {Cleave} to split and cf. 2d {Clift}, 1st {Clough}.] 1. A space or opening made by splitting; a crack; a crevice; as, the cleft of a rock. Is. ii …   The Collaborative International Dictionary of English

  • Cleft — Cleft, n. [OE. clift; cf. Sw. klyft cave, den, Icel. kluft cleft, Dan. kl[ o]ft, G. kluft. See {Cleave} to split and cf. 2d {Clift}, 1st {Clough}.] 1. A space or opening made by splitting; a crack; a crevice; as, the cleft of a rock. Is. ii. 21.… …   The Collaborative International Dictionary of English

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