» Articles » PMID: 7214499

Interrelations Between Neural Elements and Tanycytes During the Perinatal Period of the Rat

Overview
Journal Cell Tissue Res
Date 1981 Jan 1
PMID 7214499
Citations 2
Authors
Affiliations
Soon will be listed here.
Abstract

The present study has utilized a correlative scanning-transmission electron microscopic technique to examine interrelations between neural elements and differentiated tanycytes and to identify supraependymal cells in the ventral region of the 3rd ventricle during the perinatal period in the rat. From the 18th day of fetal life monoaminergic and/or peptidergic axons penetrate into the ventricle between the tanycytes. After birth, they form an extensive network covering the surface of the infundibular recess. The axons possess morphological characteristics suggestive of neurohormone secretion. From the 20th day of prenatal life subependymal axons begin to "innervate" the tanycytes. Supraependymal cells differ in their shape and ultrastructure, but all of them bear resemblance to macrophages, as they contain numerous lysosomes and phagosome-like bodies.

Citing Articles

Immunocytochemical distribution of LHRH neurons and processes in the rat: hypothalamic and extrahypothalamic locations.

Joseph S Cell Tissue Res. 1982; 221(3):493-504.

PMID: 7034953 DOI: 10.1007/BF00215698.


The dorso-lateral recess of the hypothalamic ventricle in neonatal rats.

Menendez A, Alvarez-Uria M Cell Tissue Res. 1987; 250(1):197-204.

PMID: 3652160 DOI: 10.1007/BF00214672.

References
1.
Daikoku S, Kotsu T, Hashimoto M . Electron microscopic observations on the development of the median eminence in perinatal rats. Z Anat Entwicklungsgesch. 1971; 134(3):311-27. DOI: 10.1007/BF00519918. View

2.
Bleier R . Ultrastructure of supraependymal cells and ependyma of hypothalamic third ventricle of mouse. J Comp Neurol. 1977; 174(2):359-76. DOI: 10.1002/cne.901740211. View

3.
GRAHAM Jr R, Karnovsky M . The early stages of absorption of injected horseradish peroxidase in the proximal tubules of mouse kidney: ultrastructural cytochemistry by a new technique. J Histochem Cytochem. 1966; 14(4):291-302. DOI: 10.1177/14.4.291. View

4.
Vigh B . The infundibular cerebrospinal-fluid contacting neurons. Adv Anat Embryol Cell Biol. 1974; 50(2):1-91. DOI: 10.1007/978-3-642-95266-1. View

5.
Pelletier G, Labrie F, Puviani R, Arimura A, Schally A . Immunohistochemical localization of luteinizing hormone-releasing hormone in the rat median eminence. Endocrinology. 1974; 95(1):314-7. DOI: 10.1210/endo-95-1-314. View