[The ascending mandibular ramus and other bone sectors. A prenatal study].
A comparative study was made in 17 prenatal human jaw bones, and ossifications of other sectors, including forming pieces of different animals. Characteristics of ramus were exposed showing differences in its disposition. Emphasis was put on the presence of vascularized connective with mesenchymal characters, reaching the condyle from the meniscus, was located under the external layer; giving invaginations, went through the cartilage under the form of columns which overturned into the narrow bone. Just like that has not been mentioned in the ossification of others bones, in this work, the studies of the Ranvier's notch with its projections, permitted the finding of significative resemblance on this and the mentioned condylar tissue, emphasizing in both, its histophysiological importance.
Fuentes
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Pr d'Histologie Générale et d'Histologie et d'Embryologie Bucco-Dentaire, Faculté d'Odontologie, Montevideo, Uruguay.
D000818:Animals; D002358:Cartilage, Articular / Q000196:embryology; D003238:Connective Tissue / Q000196:embryology; D005333:Fetus; D006801:Humans; D008334:Mandible / Q000196:embryology*; D008335:Mandibular Condyle / Q000196:embryology*; D008648:Mesoderm / Q000033:anatomy & histology; D010012:Osteogenesis; D010521:Periosteum / Q000196:embryology
Branche montante mandibulaire et autres secteurs osseux. Etude prénatale.