Male chromosome complement
46 chromosomes, including 1 X and 1 Y chromosome. A minority of males have other chromosome constitutions, such as 47,XXY (47 chromosomes, including 2 X chromosomes and 1 Y chromosome) or 47,XYY (47 chromosomes, including 1 X and 2 Y chromosomes).
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- Male condom
The male condom is a sheath placed over the erect penis before penetration, preventing pregnancy by blocking the passage of sperm. It is a barrier method of contraception. A condom can be used only once. Although some condoms have spermicide added (the spermicide is usually nonoxynol-9 in the United States) to kill sperm, spermicide has […]
- Male external genitalia
The external genital structures of the male, comprising the penis, the male urethra, and the scrotum.
- Male genitalia
Male external genitalia; and Male internal genitalia.
- Male gonad
A testis, one of a pair of organs located behind the penis in a pouch of skin called the scrotum. The testes produce and store sperm and are also the body’s main source of male hormones. These hormones control the development of the reproductive organs and other male characteristics, such as body and facial hair, […]
- Male internal genitalia
The internal genital structures of the male that are concerned with reproduction, including the testis, epididymis, ductus deferens, seminal vesicle, ejaculatory duct, bulbourethral gland, and prostate.