Gonads

A gonad or sex gland or reproductive gland is a mixed gland that produces the gametes (sex cells) and sex hormones of an organism. In the female of the species the reproductive cells are the egg cells, and in the male the reproductive cells are the sperm. The male gonad , the testicle, produces sperm in the form of . Male gonads are the testes and female gonads are the ovaries.

Testosterone for males, Estrogen and progesterone for females.

Learn what the gonads are and their functions. Produce gametes (sex cells) . We will look into both the male and female gonads. You can take the test afterwards to test your.

Define gonad : a reproductive gland (such as an ovary or testis) that produces gametes. The gonads , the primary reproductive organs, are the testes in the male and the ovaries in the female. These organs are responsible for producing the sperm and ova, but they also secrete hormones and are considered to be endocrine glands.

Illustration of a testis within the male . The primordial germ cells (PGC) will form the gametes (sperm cells and oocytes). The somatic cells with nourishing functions . A gonad is a specialized organ which contains germ cells. Germ cells are responsible for producing the haploid cells required for sexual reproduction. Gonads explanation free. Typically in sexually reproducing animals, each organism has a set number of chromosomes.

The gonads pertain to the anatomical part of the body where sex cells (gametes) are synthesized. For instance, the gonads in females are the ovaries whereas in males are the testes. Word origin: from Greek gonos, procreation, genitals. Related forms: gonadal (adjective). Ancient Greek γονή (gonḗ, “see begetting, birth, offspring”), from γίγνεσθαι (gígnesthai, “be born”).

An organ in animals that produces gametes, especially a testis or ovary. English dictionary definition of gonad. This chromosome has a strong testis-determining effect on the medulla of the indifferent gonad.

It contains the testis-determining gene, the SRY (sex- determining region on Y) gene on its short arm (Yp11). The protein product of this gene is a transcription factor initiating a cascade of downstream genes that determine the .