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What is Narrowest pa of the urethra is: March 2009 and explain in detail?
Ans. D: Membranous urethra In men, the urethra is roughly 8 to 9 inches long and extends from the bladder neck to the end of the penis. The prostatic urethra is the widest pa of the tube and passes through the prostate gland. It is made up of fibrous tissue, muscle fibers, and tiny glandular openings that connect to the prostate. The membranous urethra is. approximately three-quaers of an inch long and lies between the triangular ligaments of the pelvis. The spongy urethra is the longest pa and extends through the penis to the glans (tip of the penis). Urethral orifice is narrowest followed by Membranous urethra.