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- Neural_groove abstract "The neural groove is a shallow median groove of the neural plate between the neural folds of an embryo. The neural plate is a thick sheet of ectoderm surrounded on either side by the neural folds, two longitudinal ridges in front of the primitive streak of the developing embryo.The groove gradually deepens as the neural folds become elevated, and ultimately the folds meet and coalesce in the middle line and convert the groove into a closed tube, the neural tube or canal, the ectodermal wall of which forms the rudiment of the nervous system.After the coalescence of the neural folds over the anterior end of the primitive streak, the blastopore no longer opens on the surface but into the closed canal of the neural tube, and thus a transitory communication, the neurenteric canal, is established between the neural tube and the primitive digestive tube. The coalescence of the neural folds occurs first in the region of the hind-brain, and from there extends forward and backward; toward the end of the third week the front opening (anterior neuropore) of the tube finally closes at the anterior end of the future brain, and forms a recess which is in contact, for a time, with the overlying ectoderm; the hinder part of the neural groove presents for a time a rhomboidal shape, and to this expanded portion the term sinus rhomboidalis has been applied. Before the neural groove is closed a ridge of ectodermal cells appears along the prominent margin of each neural fold; this is termed the neural crest or ganglion ridge, and from it the spinal and cranial nerve ganglia and the ganglia of the sympathetic nervous system are developed. By the upward growth of the mesoderm the neural tube is ultimately separated from the overlying ectoderm.The cephalic end of the neural groove exhibits several dilatations, which, when the tube is closed, assume the form of three vesicles; these constitute the three primary cerebral vesicles, and correspond respectively to the future fore-brain (prosencephalon), mid-brain (mesencephalon), and hind-brain (rhombencephalon). The walls of the vesicles are developed into the nervous tissue and neuroglia of the brain, and their cavities are modified to form its ventricles. The remainder of the tube forms the medulla spinalis or spinal cord; from its ectodermal wall the nervous and neuroglial elements of the medulla spinalis are developed while the cavity persists as the central canal.".
- Neural_groove grayPage "50".
- Neural_groove graySubject "7".
- Neural_groove precursor Neural_plate.
- Neural_groove thumbnail Gray17.png?width=300.
- Neural_groove wikiPageExternalLink image_002.gif.
- Neural_groove wikiPageID "4917453".
- Neural_groove wikiPageRevisionID "575157731".
- Neural_groove caption "Human embryo—length, 2 mm. Dorsal view, with the amnion laid open. X 30.".
- Neural_groove carnegiestage "9".
- Neural_groove code "TE E5.13.1.0.1.0.3".
- Neural_groove givesriseto Neural_tube.
- Neural_groove graypage "50".
- Neural_groove graysubject "7".
- Neural_groove hasPhotoCollection Neural_groove.
- Neural_groove latin "sulcus neuralis".
- Neural_groove name "Neural groove".
- Neural_groove precursor Neural_plate.
- Neural_groove subject Category:Embryology_of_nervous_system.
- Neural_groove type Abstraction100002137.
- Neural_groove type Biology106037666.
- Neural_groove type Cognition100023271.
- Neural_groove type Content105809192.
- Neural_groove type Discipline105996646.
- Neural_groove type Embryology106071426.
- Neural_groove type KnowledgeDomain105999266.
- Neural_groove type LifeScience106037298.
- Neural_groove type NaturalScience106000400.
- Neural_groove type PsychologicalFeature100023100.
- Neural_groove type Science105999797.
- Neural_groove type AnatomicalStructure.
- Neural_groove type Embryology.
- Neural_groove type AnimalBodyPart.
- Neural_groove type Embryology.
- Neural_groove type BiologicalObject.
- Neural_groove comment "The neural groove is a shallow median groove of the neural plate between the neural folds of an embryo.".
- Neural_groove label "Doccia neurale".
- Neural_groove label "Gouttière neurale".
- Neural_groove label "Neural groove".
- Neural_groove label "Surco neural".
- Neural_groove sameAs Surco_neural.
- Neural_groove sameAs Gouttière_neurale.
- Neural_groove sameAs Doccia_neurale.
- Neural_groove sameAs m.0cv2xt.
- Neural_groove sameAs Q2267382.
- Neural_groove sameAs Q2267382.
- Neural_groove sameAs Neural_groove.
- Neural_groove wasDerivedFrom Neural_groove?oldid=575157731.
- Neural_groove depiction Gray17.png.
- Neural_groove isPrimaryTopicOf Neural_groove.
- Neural_groove name "Neural groove".
- Neural_groove name "sulcus neuralis".