Gonad - Wikipedia
A gonad, sex gland, or reproductive gland [1] is a mixed gland and sex organ that produces the gametes and sex hormones of an organism. Female reproductive cells are egg cells, and male reproductive cells are sperm. [2] The male gonad, the testicle, produces sperm in the form of spermatozoa. The female gonad, the ovary, produces egg cells.
Gonads (Ovaries and Testes)- Structure, Hormones, Regulation, …
2024年9月27日 · Gonads, commonly referred to as sex glands or reproductive glands, play a pivotal role in the reproductive systems of various organisms. These mixed glands are responsible for the production of gametes—sperm in males and eggs in females—as well as the secretion of essential sex hormones that govern reproductive processes.
Gonads (Ovaries and Testes)- Definition, Structure, Hormones, …
2023年8月3日 · The male and female gonads are endocrine glands that produce sex hormones essential for the development of reproductive organs and the proper functioning of the process of reproduction. Gonads secrete the same set of hormones secreted by the adrenal cortex in the form of androgens.
Male Reproductive System: Structure & Function - Cleveland Clinic
The male reproductive system consists of external and internal organs, including the penis and prostate. The system is responsible for sexual function and urination.
The female reproductive system - Encyclopedia Britannica
2024年12月16日 · The female gonads, or sexual glands, are the ovaries; they are the source of ova (eggs) and of the female sex hormones estrogens and progestogens. The fallopian, or uterine, tubes conduct ova to the uterus, which lies within the lesser or true pelvis.
Male and Female Gonads: Testes and Ovaries - ThoughtCo
2024年10月8日 · The male gonads are the testes and the female gonads are the ovaries. These reproductive system organs are necessary for sexual reproduction as they are responsible for the production of male and female gametes. Gonads also produce sex hormones needed for the growth and development of primary and secondary reproductive organs and structures.
Gonad | Reproductive, Endocrine & Hormones | Britannica
Gonad, in zoology, primary reproductive gland that produces reproductive cells (gametes). In males the gonads are called testes; the gonads in females are called ovaries. (see ovary; testis). The gonads in some lower invertebrate groups (e.g., hydrozoans) are …
In brief: How do the female sex organs work?
2024年9月23日 · The female sex organs make sex and sexual pleasure possible. They are needed to become pregnant, carry a child and give birth. To do this, the organs produce hormones that regulate the process of maturation from a child's body to an adult woman's body.
The gonad - Endocrinology - NCBI Bookshelf - National Center …
Emission involves contractions of the smooth muscle in the walls of the vas deferens and genital ducts that push sperm into the upper part of the urethra. At the same time, the seminal vesicles and prostate gland (accessory sex glands) contract and seminal fluid is released into the urethra.
人類生理學/男性生殖系統 - 维基教科书，自由的教学读本
This includes the activity of the accessory male sex organs and development of male secondary sex characteristics. They are also the precursor of all estrogens, the female sex hormones. The primary and most well-known androgen is testosterone.