GENERAL HISTOLOGY

VASCULAR

THE NEPHRON

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the two muscles at the urethra that control the exit of urine out of the body?
A
Sphinxes
B
Renal papillary muscles
C
Sphincters
D
Bladder vessicle
Explanation: 

Detailed explanation-1: -Two muscles as urethral sphincters are used to control the exit of urine in the urinary bladder through the urethra. The two muscles are the internal and EUS.

Detailed explanation-2: -The internal urethral sphincter is located at the junction of the urethra and the urinary bladder. It is made of smooth muscle, and is under autonomic or involuntary control. The more inferiorly located external urethral sphincter surrounds the membranous or intermediate part of the urethra.

Detailed explanation-3: -A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body. Examples are the anal sphincter (around the opening of the anus) and the pyloric sphincter (at the lower opening of the stomach).

There is 1 question to complete.