Just as that of women, male sexual anatomy can also be divided into internal and external genitalia.
The External Male Genitalia
The external male genitals consist of the penis, the scrotum, and the urethral opening. You are probably aware of this much, but you may lack knowledge of the more intricate details of this part of your anatomy and its physiology.
The Penis
The penis is the main source of sexual pleasure for males. It is made up of three columns of spongy erectile tissue — two corpora cavernosa or cavernous bodies and one corpus spongiosum or spongy body. These columns become engorged, or filled with blood, when a man is sexually aroused, making the penis erect. This prepares the penis for intercourse or any other penetration.
The penis is made up of several different parts, each of which has its own unique capacity for sexual arousal and pleasure. These parts include the head or glans, the urethral opening, the foreskin, the corona, the frenulum, and the shaft.
The Glans
The glans or head of the penis is the rounded part at the end of the shaft. It is a highly sensitive area with many nerve endings. The glans of the penis is developed out of the same tissue as that of the glans of the clitoris. At the tip of the glans is the urethral opening where urine expels itself from the body.
Essential
Penises come in all shapes and sizes. The size of a penis, in nearly all cases, has nothing to do with how a penis functions or the pleasurable sensations it is capable of experiencing. When it comes to providing pleasure, it is the fit that counts, not the size.
The Foreskin
The foreskin, or prepuce, is the double-layered fold of skin that covers the glans in a flaccid penis. It is like the clitoral hood that covers and protects the clitoris on the female. The foreskin retracts to just below the glans when the penis is erect. It protects the glans and the frenulum, keeping these tissues lubricated and shielded from abrasion or injury. Many men have had their foreskins removed when they were infants in a process called circumcision. In circumcised men, the glans is therefore exposed at all times.
The Frenulum
The frenulum is the indentation found on the underside of the penis where the glans and the shaft meet. The frenulum is a highly sensitive area for most men.
The Corona
The corona, sometimes called the coronal ridge, is the ridged band that separates the head of the penis from the shaft. It is a highly innervated smooth muscle that radiates from the frenulum and surrounds the inner tip of the foreskin. It contains approximately 80 percent of the male erogenous tissue and is extremely sensitive to light touch, stretching, folding, pressure, and temperature. When the foreskin is pulled back, the ridged band lies just behind the crest of the glans.
The Shaft of the Penis
The shaft is the part of the penis that extends out from the body to the head of the penis. When it is flaccid, the skin on the shaft is loose and stretchy. Unlike the skin everywhere else on the body that attaches to the underlying tissues, the foreskin and the skin on the shaft are loose and can glide freely along the shaft of the penis, which reduces friction and abrasion and keeps the lubricating fluid flowing during stimulation, intercourse, or other penetration.
Alert
Sensitivity of the various parts of the penis and testicles varies significantly from man to man. For example, even though many people consider the shaft of the penis to be less sensitive than the glans, some men have highly sensitive areas on the shafts of their penises.
The Scrotum
The scrotum, or scrotal sac, is a thin-walled muscular pouch that has two compartments to house the testicles and is located underneath the penis. One of its functions is to maintain the testicles at a temperature slightly below the rest of the body's temperature. This is achieved through a process known as the cremasteric reflex. This reflex causes the scrotum and testes to pull in
The External Male Genitalia
The external male genitals consist of the penis, the scrotum, and the urethral opening. You are probably aware of this much, but you may lack knowledge of the more intricate details of this part of your anatomy and its physiology.
The Penis
The penis is the main source of sexual pleasure for males. It is made up of three columns of spongy erectile tissue — two corpora cavernosa or cavernous bodies and one corpus spongiosum or spongy body. These columns become engorged, or filled with blood, when a man is sexually aroused, making the penis erect. This prepares the penis for intercourse or any other penetration.
The penis is made up of several different parts, each of which has its own unique capacity for sexual arousal and pleasure. These parts include the head or glans, the urethral opening, the foreskin, the corona, the frenulum, and the shaft.
The Glans
The glans or head of the penis is the rounded part at the end of the shaft. It is a highly sensitive area with many nerve endings. The glans of the penis is developed out of the same tissue as that of the glans of the clitoris. At the tip of the glans is the urethral opening where urine expels itself from the body.
Essential
Penises come in all shapes and sizes. The size of a penis, in nearly all cases, has nothing to do with how a penis functions or the pleasurable sensations it is capable of experiencing. When it comes to providing pleasure, it is the fit that counts, not the size.
The Foreskin
The foreskin, or prepuce, is the double-layered fold of skin that covers the glans in a flaccid penis. It is like the clitoral hood that covers and protects the clitoris on the female. The foreskin retracts to just below the glans when the penis is erect. It protects the glans and the frenulum, keeping these tissues lubricated and shielded from abrasion or injury. Many men have had their foreskins removed when they were infants in a process called circumcision. In circumcised men, the glans is therefore exposed at all times.
The Frenulum
The frenulum is the indentation found on the underside of the penis where the glans and the shaft meet. The frenulum is a highly sensitive area for most men.
The Corona
The corona, sometimes called the coronal ridge, is the ridged band that separates the head of the penis from the shaft. It is a highly innervated smooth muscle that radiates from the frenulum and surrounds the inner tip of the foreskin. It contains approximately 80 percent of the male erogenous tissue and is extremely sensitive to light touch, stretching, folding, pressure, and temperature. When the foreskin is pulled back, the ridged band lies just behind the crest of the glans.
The Shaft of the Penis
The shaft is the part of the penis that extends out from the body to the head of the penis. When it is flaccid, the skin on the shaft is loose and stretchy. Unlike the skin everywhere else on the body that attaches to the underlying tissues, the foreskin and the skin on the shaft are loose and can glide freely along the shaft of the penis, which reduces friction and abrasion and keeps the lubricating fluid flowing during stimulation, intercourse, or other penetration.
Alert
Sensitivity of the various parts of the penis and testicles varies significantly from man to man. For example, even though many people consider the shaft of the penis to be less sensitive than the glans, some men have highly sensitive areas on the shafts of their penises.
The Scrotum
The scrotum, or scrotal sac, is a thin-walled muscular pouch that has two compartments to house the testicles and is located underneath the penis. One of its functions is to maintain the testicles at a temperature slightly below the rest of the body's temperature. This is achieved through a process known as the cremasteric reflex. This reflex causes the scrotum and testes to pull in
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