Assertion: urethra's sphincter | /r/HasProperty | ring of muscle
Facets:
Source sentences:
text: sphincter a ring of muscle that contracts to close an opening During ejaculation, a muscular sphincter (ring of muscle) closes off the bladder.
text: During ejaculation, a muscular sphincter (ring of muscle) closes off the bladder.
text: muscular having a robust body-build During ejaculation, a muscular sphincter (ring of muscle) closes off the bladder.
text: ring a toroidal shape During ejaculation, a muscular sphincter ( ring of muscle) closes off the bladder.