| 释义 |
DictionarySeeMedullary grooveneural groove
neural groove[′nu̇r·əl ′grüv] (embryology) A longitudinal groove between the neural folds of the vertebrate embryo before the neural tube is completed. neural 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.neu·ral groovethe gutterlike groove formed in the midline of the embryo's dorsal surface by the progressive elevation of the lateral margins of the neural plate; the ultimate dorsal fusion of the margins results in the formation of the neural tube. Synonym(s): medullary grooveneu·ral groove (nūr'ăl grūv) The gutterlike groove formed in the midline of the dorsal surface of the embryo by the progressive elevation of the lateral margins of the neural plate; the dorsal fusion of the folds results in the formation of the neural tube. ThesaurusSeegroove |