Glossary P

Penetrance refers to the extent to which a genotype is expressed in the individual's phenotype.

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Penetrating head injury refers to a type of head injury associated with a penetrating mechanism such as a bullet from a gun, a knife, or scissors.

Penile Plethysmography is defined as a test performed by measuring the amount of blood that enters the penis in response to a stimulus, which can indicate how arousing the stimulus is for the male.

Penile prosthesis refers to a surgical procedure/treatment for erectile dysfunction, in which inflatable tubes are inserted into the penis.

Penile strain gauge refers to a device used to measure penile engorgement; a device used to measure physiological sexual arousal in the male. It is a flexible loop that fits around the base of the penis.

Penis is defined as the male copulatory and urinary organ which is used both to urinate and move Spermatozoa out of the Urethra through ejaculation Penis is the major organ of male sexual pleasure and is homologous to the female Clitoris.

Penis envy refers to the envy the female feels toward the male because the male possesses a penis; this is accompanied by a sense of loss because the female does not have a penis.

Penis e

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Penitentiary is defined as a prison or place of confinement and correction for persons convicted of Felonies. Originally, Penitentiary is a place where convicts did penance.