branchial arch

branchial arch
branchial arch n one of a series of bony or cartilaginous arches that develop in the walls of the mouth cavity and pharynx of a vertebrate embryo, consist typically of a curved segmented bar or rod on each side meeting the contralateral bar or rod at the ventral end, and correspond to the gill arches of fishes and amphibians called also pharyngeal arch, visceral arch

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Medical dictionary. 2011.

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  • branchial arch — 1. Zool. one of a series of bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians; gill bar. 2. Embryol. one of a series of archlike mesodermal thickenings of the body wall in the… …   Universalium

  • branchial arch — noun one of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians • Syn: ↑gill arch, ↑gill bar • Hypernyms: ↑structure, ↑anatomical structure, ↑complex body part, ↑bodily structure, ↑ …   Useful english dictionary

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

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

  • Дуга Жаберная (Pharyngeal Arch, Branchial Arch), Дуга Висцеральная (Visceral Arch) — парная дугообразная хрящевая пластинка, расположенная с обеих сторон от переднего конца спинной струны эмбриона на ранней стадии его развития, которая соответствует жаберным дугам рыбы. Особое значение имеют первые две из них висцеральные дуги,… …   Медицинские термины

  • arch — Any structure resembling a bent bow or an a.; an arc. In anatomy, any vaulted or archlike structure. See arcus. SYN: arcus [TA]. [thru O. Fr. fr. L. arcus, bow] abdominothoracic a. a bell shaped line defined by the lower end of the sternum and… …   Medical dictionary

  • pharyngeal arch — branchial arch; = visceral arch any of the paired segmented ridges of tissue in each side of the throat of the early embryo that correspond to the gill arches of fish. Each arch contains a cartilage, a cranial nerve, and a blood vessel. Between… …   The new mediacal dictionary

  • branchial ray — the cartilaginous rod projecting out from the gill arch into the interbranchial septum which it supports and from the hyoid arch into the first hemibranch. Homologous with branchiostegal. Found in Elasmobranchii and Acanthodii …   Dictionary of ichthyology

  • First pharyngeal arch — First branchial arch Diagram showing the regions of the adult face and neck related to the fronto nasal process and the branchial arches …   Wikipedia

  • Pharyngeal arch — Infobox Embryology Name = Branchial arch Latin = GraySubject = 13 GrayPage = 65 Caption = Schematic of developing fetus with first, second and third arches labeled. Caption2 = Floor of pharynx of human embryo about twenty six days old. System =… …   Wikipedia

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