An ultrastructural study of the mitotic preosteoblasts in the primary spongiosa of the rat mandibular condyle.
Bone
; 14(1): 35-40, 1993.
Article
em En
| MEDLINE
| ID: mdl-8443000
ABSTRACT
In this study, we observed mitotic preosteoblasts that have the structural features of osteoblasts in the primary spongiosa of the rat mandibular condyle. The rough endoplasmic reticulum and the Golgi apparatus showed remarkable disorganization during mitosis. The Golgi saccules were replaced by groups of large vacuoles and small vesicles. The cisternae of the rough endoplasmic reticulum also were vacuolized. Since this disorganization occurred in conjunction with the formation of the mitotic spindle, it is probably related to the changes of the microtubular cytoskeleton. Further, secretory granules were arrayed along the mitotic spindle microtubules at the metaphase, and concentrated around the midbody at the telophase. These findings indicate a close relationship exists between secretory granules and microtubules.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Osteoblastos
/
Côndilo Mandibular
Limite:
Animals
Idioma:
En
Revista:
Bone
Assunto da revista:
METABOLISMO
/
ORTOPEDIA
Ano de publicação:
1993
Tipo de documento:
Article
País de afiliação:
Japão