pharyngeal groove


groove

 [gro̳v] a narrow, linear hollow or depression.branchial groove pharyngeal groove.Harrison's groove a horizontal groove along the lower border of the thorax corresponding to the costal insertion of the diaphragm; seen in advanced rickets in childhood.medullary groove (neural groove) that formed by the beginning invagination of the neural plate of the embryo to form the neural tube.pharyngeal groove a groove between a pair of pharyngeal arches in a mammalian embryo, homologous to the cleft" >branchial cleft of a fish, formed by rupture of the membrane separating a corresponding entodermal pouch and ectodermal groove.

pha·ryn·ge·al groove

(făr-in'jē-ăl grūv) The ectodermal groove between two pharyngeal arches in the human embryo.
Synonym(s): branchial cleft, pharyngeal cleft.