muscular layer of spongy (male) urethra
muscular layer of spongy (male) urethra[TA]
relatively sparse layer of mostly longitudinally disposed smooth (involuntary) muscle fibers between the mucosa and the surrounding erectile tissue of the corpus spongiosum penis.
Synonym(s): tunica muscularis partis spongiosae urethrae masculinae [TA], muscular coat of spongy part of male urethra ☆
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