The human penis is an external male intromittent organ that additionally serves as the urinal duct. source
The human penis is an external male intromittent organ that additionally serves as the urinal duct.
The main parts are the root; the body ; and the epithelium of the penis including the shaft skin and the foreskin covering the glans penis. source
The main parts are the root; the body ; and the epithelium of the penis including the shaft skin and the foreskin covering the glans penis.
The human male urethra passes through the prostate gland, where it is joined by the ejaculatory duct, and then through the penis. source
The human male urethra passes through the prostate gland, where it is joined by the ejaculatory duct, and then through the penis.
Most of the penis develops from the same tissue in the embryo as does the clitoris in females. source
Most of the penis develops from the same tissue in the embryo as does the clitoris in females.
The skin around the penis and the urethra come from the same embryonic tissue from which develops the labia minora in females. source
The skin around the penis and the urethra come from the same embryonic tissue from which develops the labia minora in females.
An erection is the stiffening and rising of the penis, which occurs during sexual arousal, though it can also happen in non-sexual situations. source
An erection is the stiffening and rising of the penis, which occurs during sexual arousal, though it can also happen in non-sexual situations.
The average erect human penis is approximately 12.9–15 cm (5.1–5.9 in) in length with 95% of adult males falling within the interval 10.7–19.1 cm (4.2–7.5 in). source
The average erect human penis is approximately 12.9–15 cm (5.1–5.9 in) in length with 95% of adult males falling within the interval 10.7–19.1 cm (4.2–7.5 in).
Root of the penis lies within the superficial perineal pouch. source
Root of the penis lies within the superficial perineal pouch.
The human penis is made up of three columns of tissue. source
The human penis is made up of three columns of tissue.
The longest officially documented human penis was found by physician Robert Latou Dickinson. source
The longest officially documented human penis was found by physician Robert Latou Dickinson.
Curvature: few penises are completely straight, with curves commonly seen in all directions (up, down, left, right). source
Curvature: few penises are completely straight, with curves commonly seen in all directions (up, down, left, right).
On entering puberty, the penis, scrotum and testicles will enlarge toward maturity. source
On entering puberty, the penis, scrotum and testicles will enlarge toward maturity.
In males, the expulsion of urine from the body is done through the penis. source
In males, the expulsion of urine from the body is done through the penis.
The distal section of the urethra allows a human male to direct the stream of urine by holding the penis. source
The distal section of the urethra allows a human male to direct the stream of urine by holding the penis.
Ejaculation is the ejecting of semen from the penis, and is usually accompanied by orgasm. source
Ejaculation is the ejecting of semen from the penis, and is usually accompanied by orgasm.
A series of muscular contractions delivers semen, containing male gametes known as sperm cells or spermatozoa, from the penis. source
A series of muscular contractions delivers semen, containing male gametes known as sperm cells or spermatozoa, from the penis.
The human penis has been argued to have several evolutionary adaptations source
The human penis has been argued to have several evolutionary adaptations