scholarly journals Mechanisms of relaxation induced by activation of β-adrenoreceptors in smooth muscle cells of the guinea-pig mesenteric artery

1982 ◽  
Vol 326 (1) ◽  
pp. 475-493 ◽  
Author(s):  
Takeo Itoh ◽  
Hidetaka Izumi ◽  
Hirosi Kuriyama
Keyword(s):  
Smooth Muscle ◽  
Guinea Pig ◽  
Smooth Muscle Cells ◽  
Mesenteric Artery ◽  
Muscle Cells

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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