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ot. The genital ridge from which either the ovary or testis is formed. o. The left ovary: t. Testis in the place of its original formation; t', together with the dotted lines above, indicates the direction in which the testis and epididymis descend from the abdomen into the scrotum. Skene's glands a.k.a. paraurethral gland: pr. Prostate: u. Uterus.
The testicle in the male and the ovary in the female are called the primary sex organs. [1] All other sex-related organs are known as secondary sex organs . The outer parts are known as the genitals or external genitalia , visible at birth in both sexes, [ 1 ] while the inner parts are referred to as internal genitalia , which in both sexes ...
The male gonad, the testicle, produces sperm in the form of spermatozoa. The female gonad, the ovary, produces egg cells. Both of these gametes are haploid cells. Some hermaphroditic animals (and some humans — see Ovotesticular syndrome) have a type of gonad called an ovotestis.
A testicle or testis (pl. testes) is the gonad in all male bilaterians, including humans, and is homologous to the ovary in females. Its primary functions are the production of sperm and the secretion of androgens, primarily testosterone. The release of testosterone is regulated by luteinizing hormone (LH) from the anterior pituitary gland.
Since the scrotum, where the testes is present, is situated outside the body cavity, it provides a temperature about 3 °C below normal body temperature. In females, gametogenesis is known as oogenesis; this occurs in the ovarian follicles of the ovaries. This process does not produce mature ovum until puberty.
Testosterone will also control the descending of the testes from the abdomen into the scrotum. Dihydrotestosterone, also known as (DHT) will differentiate the remaining male characteristics of the external genitalia. [11] Further sex differentiation of the external genitalia occurs at puberty, when androgen levels again become disparate.
ovaries: testicles: Levels of sex hormones: high estrogen and gestagens (including progesterone); low androgens (including testosterone) high androgens (including testosterone) Anatomy of internal genitalia: clitoral crura, vagina, uterus, fallopian tubes: corpora cavernosa, prostate, vas deferens, seminal vesicles: Anatomy of external genitalia
The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction.Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system. [1]