Hypothalamic Neurons from a Developmental Aspect

The development of hypothalamic neurons was examined in vivo and in transplanted grafts in rats. The neurons appeared in vivo in distinctive chronotopical schedules showing such morphological characteristics as synaptocrine or hemocrine neurons. These phenotypical properties seemed to be primed alre...

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Published inArchives of Histology and Cytology Vol. 52; no. Supplement; pp. 217 - 223
Main Authors DAIKOKU, Shigeo, TSURUO, Yoshihiro, HASHIMOTO, Takayo, OKAMURA, Yoshihito, YOKOTE, Ryoji, IDE, Makoto
Format Journal Article
LanguageEnglish
Published Japan International Society of Histology and Cytology 1989
Subjects
Animals
Cell Division
Cerebral Ventricles - cytology
Hypothalamus - cytology
Hypothalamus - embryology
Neurons - cytology
Neurons - enzymology
Neurons - transplantation
Rats
Transplantation, Autologous
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Summary:The development of hypothalamic neurons was examined in vivo and in transplanted grafts in rats. The neurons appeared in vivo in distinctive chronotopical schedules showing such morphological characteristics as synaptocrine or hemocrine neurons. These phenotypical properties seemed to be primed already by day 12.5 of gestation in rats, because the grafted hypothalamic primordia from 12.5-day-old embryonal rats differentiated neurons, which express these neuronal properties in the third ventricle of adult female rats. The synaptocrine neurons projected to other neurons, suggesting the establishment of synaptic contacts, and the hemocrine neurons projected to vasculatures developed in the grafts, suggesting the accomplishment of neurovascular associations.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-3
content type line 23
ObjectType-Review-1
ISSN:0914-9465
1349-1717
DOI:10.1679/aohc.52.Suppl_217