visceral arch
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visceral arch — n BRANCHIAL ARCH * * * see pharyngeal arch … Medical dictionary
visceral arch — noun 1. : one of a series of bony or cartilaginous inverted arches that develop in the walls of the mouth cavity and pharynx of a vertebrate embryo and consist typically of a curved segmented bar or rod on each side meeting its fellow of the… … Useful english dictionary
visceral arch — see pharyngeal arch … The new mediacal dictionary
visceral arch — one of the series of skeletal bars on either side of the pharynx, which comprise the gill arches and the jaws … Dictionary of ichthyology
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
Дуга Висцеральная (Visceral Arch) — см. Дуга вторая жаберная. Источник: Медицинский словарь … 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
visceral skeleton — the skeleton derived from the visceral arches, the mandibular arch forming the mandibles, the hyoid arch and the branchial arch, collectively called the splanchnocranium or viscerocranium … Dictionary of ichthyology
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
pharyngeal arch — n BRANCHIAL 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… … Medical dictionary
