Male Genitalia

• Shaft - composed of three cylindrical masses of vascular erectile tissue that are bound together by fibrous tissue - two corpora cavernosa on the dorsal side and the corpus spongiosum on the ventral side
• If the man has not been circumcised, a hoodlike fold of skin called the foreskin or prepuce covers the glans
• Penis - an elongated, cylindrical structure consisting of a body, called shaft, and a cone-shaped end, called gland
• Corpus spongiosum - is the mass of spongy tissue which surrounds urethra and involves in erection by allowing rushing of blood into it.
• Corpus cavernosa - a pair of sponge-like regions of erectile tissue which contains most of the blood in the penis during penile reception.
• Scrotum - pouch-like structure that hangs in front of the anus and behind the penis
• Scrotum - a thin-walled sac that is suspended below the pubic bone posterior to the penis
• Scrotum, a darkly pigmented structure contains sweat and sebaceous gland consists of folds of skin (rugae) and the cremaster muscle
• Testis - A pair of oval, compound glandular organs contained in the scrotum. Functions to serve as the site of spermatogenesis and produce testosterone
• Testis - a pair of ovoid-shaped organs, similar to ovaries in the woman that are approximately 3.7 to 5 cm long, 2.5 cm wide and 2.5 cm deep.
• Each testes is covered by the serous membrane called tunica vaginalis, which separate testes from the scrotal wall.
• Epididymis - a comma-shaped, coiled tubular structure that curves up over the upper posterior surface of the testes.
• Epididymis - provides a reservoir for maturing spermatozoa, when they are ejaculated they are motile and capable to fertilized ovum.
• Vas deferens - a firm, muscular tube that is continuous with the lower portion of the epididymis
• Vas deferens - about 40cm long and connects the epididymis with the prostate
• Vas deferens - Its main function is to rapidly squeeze the sperm from their storage site into the urethra.
• Urethra - passage way for both urine and semen
• Prostate glands - encircle the upper part of the urethra and lies below the neck of the bladder.
• Prostate glands - It secretes a thin, milky, alkaline fluid containing high level of zinc, calcium, citric acid and acid phosphatase
• Seminal vesicle - secretes an alkaline, vicious, clear fluid rich in high-energy fructose, prostaglandins, fibrinogen and amino acid.
• Scrotal skin is thin and rugated (crinkled), with little hair dispersion.