general/urinary-system

Triangular region of the internal urinary bladder

Muscle of the bladder that expels urine

Triangular region of the internal urinary bladder

Urethral sphincter muscle which constricts the internal urethral orifice

Urethral sphincter muscle which constricts the internal urethral orifice

Anatomical system consisting of the kidneys, ureters, urinary bladder, and the urethra

Urethral sphincter muscle which constricts the internal urethral orifice

Triangular region of the internal urinary bladder

Hormone used in regulating the cardiovascular system

Triangular region of the internal urinary bladder

Urethral sphincter muscle which constricts the internal urethral orifice

Triangular region of the internal urinary bladder

Urethral sphincter muscle which constricts the internal urethral orifice

Muscle of the bladder that expels urine

Muscle of the bladder that expels urine

Muscle of the bladder that expels urine

Muscle of the bladder that expels urine