Liquorkontaktneurone im Nucleus infundibularis des Kükens

Translated title of the contribution: Liquor contacting neurons in the infundibular nucleus of the chicken

I. Vigh-Teichmann, B. Vígh, B. Aros

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The neurons of the infundibular nucleus of the chicken are multipolar, partly bipolar. Part of the ventricular processes of the nerve cells passes by between the ependymal cells into the cerebrospinal fluid where they form globular, intraventricular nerve endings (diameter about 3,5 to 5,5 μ). The liquor contacting nerve endings (LCNE) contain numerous mitochondria, endoplasmic reticulum, polyribosomes, granulated vesicles (diameter about 1300 Å) and scattered microtubules. The intraventricular terminal bears a cilium (type 9+0), its basal body gives rise to slim rootlet fibres. Sometimes, free liquor cells occur on the LCNE. The ventricular nerve processes that build up the LCNE are dendrites. In the hypendymal synaptic zone, axons containing granulated vesicles (1000 Å, 1300 Å) form synapses with the ventricular dendrites. The perikarya of the nerve cells are characterized by an abundant endoplasmic reticulum, polyribosomes, Golgi areas, mitochondria, granulated vesicles (diameter about 1300 Å) and numerous axo-somatic synapses. In the region of the infundibular nucleus, two types of ependymal cells can be distinguished: light and dark cells. The apical part of the latter forms several smaller and larger cytoplasmic processes. The light cells bear numerous cilia (type 9+2). On the basis of the new morphological data, the possible function of the liquor contacting neurons of the infundibular nucleus is discussed.

Original languageGerman
Pages (from-to)188-200
Number of pages13
JournalZeitschrift für Zellforschung und Mikroskopische Anatomie
Volume112
Issue number2
DOIs
Publication statusPublished - Jun 1971

Fingerprint

Arcuate Nucleus of Hypothalamus
Nerve Endings
Neurons
Chickens
Mitochondria
Polyribosomes
Cilia
Dendrites
Endoplasmic Reticulum
Synapses
Cerebrospinal fluid
Basal Bodies
Microtubules
Axons
Cerebrospinal Fluid
Fibers
Light

Keywords

  • Chicken
  • Liquor contacting neurons
  • Nucleus infundibularis
  • Ultrastructure

ASJC Scopus subject areas

  • Anatomy
  • Clinical Biochemistry
  • Cell Biology
  • Medicine(all)

Cite this

Liquorkontaktneurone im Nucleus infundibularis des Kükens. / Vigh-Teichmann, I.; Vígh, B.; Aros, B.

In: Zeitschrift für Zellforschung und Mikroskopische Anatomie, Vol. 112, No. 2, 06.1971, p. 188-200.

Research output: Contribution to journalArticle

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