visceral cleft

visceral cleft
Embryol.
[1870-75]

* * *


Universalium. 2010.

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Look at other dictionaries:

  • visceral cleft — n BRANCHIAL CLEFT * * * see pharyngeal cleft * * * pharyngeal grooves …   Medical dictionary

  • visceral cleft — n. any of a series of paired openings leading from the pharynx to the ectoderm on each side of the neck area in a chordate embryo: in fish and some amphibians the clefts develop into gill slits, but in land vertebrates they are either lost or… …   English World dictionary

  • visceral cleft — noun : one of the clefts that occur on each side of the neck region between successive visceral arches in vertebrates and that may or may not extend through from the exterior to the cavity of the mouth and pharynx compare branchial cleft,… …   Useful english dictionary

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

  • Щель Жаберная (Visceral Cleft) — см. Щель жаберная (pharyngeal cleft). Источник: Медицинский словарь …   Медицинские термины

  • Щель Жаберная (Pharyngeal Cleft, Branchial Cleft, Visceral Cleft) — парная, разделенная на отдельные сегменты щель, расположенная с обеих сторон от переднего конца спинной струны эмбриона на ранней стадии его развития, которая соответствует жабрам рыбы. Как только эти щели полностью сформируются, они закрываются …   Медицинские термины

  • cleft — A fissure. anal c. SYN: intergluteal c.. branchial clefts a bilateral series of slitlike openings into the pharynx through which water is drawn by aquatic animals; in the walls of the clefts are the vascular gill filaments that …   Medical dictionary

  • pharyngeal cleft — n BRANCHIAL CLEFT * * * (branchial cleft, visceral cleft) any of the paired segmented clefts in each side of the throat of the early embryo that correspond to the gills of fish. Soon after they have formed they close to form the pharyngeal pouch …   Medical dictionary

  • 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… …   Medical dictionary

  • pharyngeal cleft — branchial cleft; = visceral cleft any of the paired segmented clefts in each side of the throat of the early embryo that correspond to the gills of fish. Soon after they have formed they close to form the pharyngeal pouches, except for the first… …   The new mediacal dictionary

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