Discrete zones of electric connection of Purkinje terminals with muscle fibres in dog ventricle (Russian)

F. F. Bukauskas, M. E. Sakson, N. I. Kukushkin

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Activity of Purkinje terminals (P) and neighbouring muscle (M) fibres (P M pairs) in various regions of dog's right ventricle was recorded. It was shown that transmission of stimulation from P to M fibres is not observed over all the endocardial surface, but rather in discrete sites, zones of P M interaction. The zones are ellipse like with the axes 300x100 μ, and they are located relatively far from one another at a distance of 800-2000 μ. The total area of the zones equals 5% of the endocardial surface. P M delay is less within the zone of connection of P M fibres (4 msec) and greater outside the zone (up to 10 msec).

Original languageEnglish (US)
Pages (from-to)887-892
Number of pages6
JournalBiofizika
Volume21
Issue number5
StatePublished - Jan 1 1976

ASJC Scopus subject areas

  • Medicine(all)

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