ISSN:
1573-8221
Keywords:
atrioventricular valves
;
automatic activity
;
membrane potentials
;
P cells
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Abstract Multicellular formations responsible for the generation of spontaneous pacemaker activity were found in the cusps of the atrioventricular valves of the rabbit heart by means of a microelectrode technique and electron microscopy. Cells of different morphological structure were found: P cells, cells of the Purkinje type, and transitional cells. These formations were found to have a rich innervation, mainly cholinergic in nature. Definite correlation was found between the morphological structure and electrophysiological parameters of these cells.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00800759
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