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- Laryngotracheal_groove abstract "The laryngotracheal groove is a precursor for the larynx and trachea.The rudiment of the respiratory organs appears as a median longitudinal groove in the ventral wall of the pharynx. The groove deepens and its lips fuse to form a septum which grows from below upward and converts the groove into a tube, the Laryngotracheal groove (or laryngo-tracheal tube), the cephalic end of which opens into the pharynx by a slit-like aperture formed by the persistent anterior part of the groove. Initially the cephalic end is in open communication with the foregut but eventually it becomes separated by indentations of mesoderm, the tracheoesophageal folds. When the tracheoesphageal folds fuse in the midline to form the tracheoesophageal septum, the foregut is divided into trachea ventrally and the esophagus dorsally. The tube is lined by endoderm from which the epithelial lining of the respiratory tract is developed. The cephalic part of the tube becomes the larynx, and its next succeeding part the trachea, while from its caudal end two lateral outgrowths, the right and left lung buds, arise, that branch into main (primary), lobar (secondary), segmental (tertiary), and subsegmental bronchi and lead to development of the lungs.The Hox complex, FGF-10 (fibroblast growth factor), BMP-4 (bone morphogenetic protein), N-myc (a proto-oncogene), syndecan (a proteglycan), tenascin (an extracellular matrix protein) and epimorphin (a protein) appear to play a role in development of the respiratory system.".
- Laryngotracheal_groove grayPage "1071".
- Laryngotracheal_groove graySubject "235".
- Laryngotracheal_groove precursor Endoderm.
- Laryngotracheal_groove thumbnail Gray947.png?width=300.
- Laryngotracheal_groove wikiPageExternalLink respire.htm.
- Laryngotracheal_groove wikiPageExternalLink lung1.html.
- Laryngotracheal_groove wikiPageID "13948037".
- Laryngotracheal_groove wikiPageRevisionID "575158383".
- Laryngotracheal_groove caption "The head and neck of a human embryo thirty-two days old, seen from the ventral surface. The floor of the mouth and pharynx have been removed.".
- Laryngotracheal_groove code "TE E5.5.3.0.0.0.2".
- Laryngotracheal_groove days "28".
- Laryngotracheal_groove graypage "1071".
- Laryngotracheal_groove graysubject "235".
- Laryngotracheal_groove hasPhotoCollection Laryngotracheal_groove.
- Laryngotracheal_groove latin "sulcus laryngotrachealis".
- Laryngotracheal_groove name "Laryngotracheal groove".
- Laryngotracheal_groove precursor Endoderm.
- Laryngotracheal_groove subject Category:Developmental_biology.
- Laryngotracheal_groove subject Category:Embryology.
- Laryngotracheal_groove subject Category:Human_head_and_neck.
- Laryngotracheal_groove type Abstraction100002137.
- Laryngotracheal_groove type Biology106037666.
- Laryngotracheal_groove type Cognition100023271.
- Laryngotracheal_groove type Content105809192.
- Laryngotracheal_groove type Discipline105996646.
- Laryngotracheal_groove type Embryology106071426.
- Laryngotracheal_groove type KnowledgeDomain105999266.
- Laryngotracheal_groove type LifeScience106037298.
- Laryngotracheal_groove type NaturalScience106000400.
- Laryngotracheal_groove type PsychologicalFeature100023100.
- Laryngotracheal_groove type Science105999797.
- Laryngotracheal_groove type AnatomicalStructure.
- Laryngotracheal_groove type Embryology.
- Laryngotracheal_groove type AnimalBodyPart.
- Laryngotracheal_groove type Embryology.
- Laryngotracheal_groove type BiologicalObject.
- Laryngotracheal_groove comment "The laryngotracheal groove is a precursor for the larynx and trachea.The rudiment of the respiratory organs appears as a median longitudinal groove in the ventral wall of the pharynx. The groove deepens and its lips fuse to form a septum which grows from below upward and converts the groove into a tube, the Laryngotracheal groove (or laryngo-tracheal tube), the cephalic end of which opens into the pharynx by a slit-like aperture formed by the persistent anterior part of the groove.".
- Laryngotracheal_groove label "Laryngotracheal groove".
- Laryngotracheal_groove label "ثلم حنجري رغامي".
- Laryngotracheal_groove sameAs m.03cp1r6.
- Laryngotracheal_groove sameAs Q6491980.
- Laryngotracheal_groove sameAs Q6491980.
- Laryngotracheal_groove sameAs Laryngotracheal_groove.
- Laryngotracheal_groove wasDerivedFrom Laryngotracheal_groove?oldid=575158383.
- Laryngotracheal_groove depiction Gray947.png.
- Laryngotracheal_groove isPrimaryTopicOf Laryngotracheal_groove.
- Laryngotracheal_groove name "Laryngotracheal groove".
- Laryngotracheal_groove name "sulcus laryngotrachealis".