Urethral sphincter

Dissection of prostate showing the fibers of the external sphincter surrounding the membranous urethra and partially cradling the inferior portion of the prostate.

The urethral sphincter is one of two muscles used to control the exit of urine in the urinary bladder through the urethra. The two muscles are the male or female external urethral sphincter and the internal urethral sphincter. When either of these muscles contracts, the urethra is sealed shut.

单词	Sphincter muscle of urethra
释义	Sphincter muscle of urethra 英语百科 Urethral sphincter The urethral sphincter is one of two muscles used to control the exit of urine in the urinary bladder through the urethra. The two muscles are the male or female external urethral sphincter and the internal urethral sphincter. When either of these muscles contracts, the urethra is sealed shut.
随便看	unassertively的意思 unassertiveness的意思 unassertivenesses的意思 unasserved的意思 unasses的意思 unassessability的意思 unassessable的意思 unassessably的意思 unassessed的意思 unassessed authorization的意思 unassessibility的意思 unassibilated的意思 unassiduous的意思 unassignablc node的意思 unassignable的意思 unassignable letter of credit的意思 unassignable node的意思 unassignable personnel的意思 unassignable primary input的意思 unassignable pumped的意思 unassigned的意思 Unassigned code的意思 Unassigned Codon的意思 Unassigned Codons的意思 unassigned object的意思

Sphincter muscle of urethra

Urethral sphincter