An analysis of the interactions between sympathetic nerve fibers and smooth muscle cells in tissue culture.

Animals Animals, Newborn Cell Nucleus Culture Techniques Fibroblasts Guinea Pigs Male Microscopy, Electron Microscopy, Electron, Scanning Microscopy, Fluorescence Microscopy, Phase-Contrast Motion Pictures Muscle Contraction Muscle, Smooth/innervation Neurofibrils Neuromuscular Junction Sympathetic Nervous System/physiology Time Factors Vas Deferens/innervation