Electrical Activity of Single Smooth Muscle Cells of the Mesenteric Artery produced by Splanchnic Nerve Stimulation in the Guinea Pig

Nature ◽  
1964 ◽  
Vol 202 (4928) ◽  
pp. 193-194 ◽  
Author(s):  
R. N. SPEDEN
Keyword(s):  
Smooth Muscle ◽  
Guinea Pig ◽  
Smooth Muscle Cells ◽  
Electrical Activity ◽  
Nerve Stimulation ◽  
Mesenteric Artery ◽  
Splanchnic Nerve ◽  
Muscle Cells ◽  
Splanchnic Nerve Stimulation

Surface Features of Smooth Muscle Cells from the Mesenteric Artery and Vas Deferens

1971 ◽  
Vol 8 (2) ◽  
pp. 427-443 ◽  
Author(s):  
C. E. DEVINE ◽  
F. O. SIMPSON ◽  
W. S. BERTAUD
Keyword(s):  
Smooth Muscle ◽  
Sarcoplasmic Reticulum ◽  
Guinea Pig ◽  
Smooth Muscle Cells ◽  
Mesenteric Artery ◽  
Vas Deferens ◽  
Muscle Cells ◽  
Mesenteric Arteries ◽  
Dense Bodies ◽  
Freeze Etching

Smooth muscle cells of small mesenteric arteries and vas deferens of guinea-pig were examined by freeze-etching. The most striking finding was that the surface vesicles lie in roughly longitudinal rows, with areas of membrane free of vesicles in between. The areas free of vesicles are believed to correspond to areas occupied by dense bodies in conventionally fixed and sectioned material. Other cell constituents which could be identified included sarcoplasmic reticulum and, probably, thick myofilaments.

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