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, low voice, and wide shoulders.
- 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.
- Male organs of reproduction
The male external genitalia — the penis, the male urethra, and the scrotum; and The male internal genitalia — the testis, epididymis, ductus deferens, seminal vesicle, ejaculatory duct, bulbourethral gland, and the prostate. In the male, the external genitalia are more evident and better known than in the female. The converse may be true with […]
- Male menopause
A controversial concept reflecting the belief that the decline in testosterone levels observed in men as they age causes a clinically significant and potentially treatable set of symptoms, including sexual dysfunction, mood changes, weight gain, fatigue, and other nonspecific symptoms. While testosterone therapy has been recommended to treat men with midlife symptoms of low testosterone […]
- Male pelvis
The lower part of the abdomen that is located between the hip bones in a male. The male pelvis is more robust, narrower, and taller than the female pelvis. The angle of the male pubic arch and the sacrum are narrower as well.
A structural defect in the body due to abnormal embryonic or fetal development. There are many types of malformations. For example, cleft lip and cleft palate. See also Congenital malformation.