Intrinsic innervation of the urinary bladder

E. Fehér, K. Csanyi, J. Vajda

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The intrinsic innervation of the urinary bladder of the cat was studied with the aid of total extrinsic denervation (L7, S1, S2, S3 and the first coccygeal spinal nerves were transected and the hypogastric ganglia were extirpated on both sides); the materials were studied by electron microscopy. Several synapses could be observed between nerve processes and perikarya and between two adjacent nerve processes. The terminals could be classified into four groups according to the existence of a dense core and according to the size of the synaptic vesicles; the first group is made up of small clear vesicles; the second group of terminals contains some large granulated vesicles in addition to a few small clear vesicles; the third group of terminals contains small granulated vesicles and in the fourth type of terminals, large, 150- to 250-nm 'peptiderg' vesicles could be observed. The latter type of terminals were always observed in postsynaptic situation. Spine synapses could also be found in the ureterovesical ganglia. Several desmosome-like attachments also could be observed between nerve processes and perikarya and between two nerve fibers. Up to three different types of nerve fibers have been observed on the same neuron. These morphological results suggest that the ureterovesical junction should be considered a single functional unit which plays an important role in coordinating the function of the bladder; further local circuits might exist in the urinary bladder wall.

Original languageEnglish
Pages (from-to)335-344
Number of pages10
JournalActa Anatomica
Volume106
Issue number3
Publication statusPublished - 1980

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Urinary Bladder
Nerve Fibers
Ganglia
Synapses
Spinal Nerves
Desmosomes
Synaptic Vesicles
Denervation
Electron Microscopy
Cats
Spine
Neurons

ASJC Scopus subject areas

  • Anatomy

Cite this

Fehér, E., Csanyi, K., & Vajda, J. (1980). Intrinsic innervation of the urinary bladder. Acta Anatomica, 106(3), 335-344.

Intrinsic innervation of the urinary bladder. / Fehér, E.; Csanyi, K.; Vajda, J.

In: Acta Anatomica, Vol. 106, No. 3, 1980, p. 335-344.

Research output: Contribution to journalArticle

Fehér, E, Csanyi, K & Vajda, J 1980, 'Intrinsic innervation of the urinary bladder', Acta Anatomica, vol. 106, no. 3, pp. 335-344.
Fehér E, Csanyi K, Vajda J. Intrinsic innervation of the urinary bladder. Acta Anatomica. 1980;106(3):335-344.
Fehér, E. ; Csanyi, K. ; Vajda, J. / Intrinsic innervation of the urinary bladder. In: Acta Anatomica. 1980 ; Vol. 106, No. 3. pp. 335-344.
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