Useful english dictionary. 2012.
germinal epithelium — noun : the epithelial covering of the genital ridges and of the gonads derived from them see primordial ovum … Useful english dictionary
Oogenesis — Oogenesis, ovogenesis or oögenesis ( /ˌoʊ … Wikipedia
Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… … Medical dictionary
follicle — 1. A more or less spherical mass of cells usually containing a cavity. 2. A crypt or minute cul de sac or lacuna, such as the depression in the skin from which the hair emerges. SYN: folliculus [TA]. [L. folliculus, a small sac, dim. of follis, a … Medical dictionary
Oogonium — A female ancestral germ cell that divides several times to give rise to an oocyte that, in turn, develops into an ovum (an egg). The second o in oogonium is pronounced separately from the first: o·o·gon·i·um. The word was created from the prefix… … Medical dictionary
Ovulation — is the process in a female s menstrual cycle by which a mature ovarian follicle ruptures and discharges an ovum (also known as an oocyte, female gamete, or casually, an egg). Ovulation also occurs in the estrous cycle of other female mammals,… … Wikipedia
Corona radiata (embryology) — Human ovum examined fresh in the liquor folliculi. The zona pellucida is seen as a thick clear girdle surrounded by the cells of the corona radiata. The egg itself shows a central granular deutoplasmic area and a peripheral clear layer, and… … Wikipedia
Sexual intercourse — Intromission redirects here. For other uses, see Intromission (disambiguation). Making love redirects here. For other uses, see Making love (disambiguation) … Wikipedia
Germ cell — Germ cells are progenitors of the gametes. These singled out cells move through the gut to the developing gonads and undergo mitotic proliferation followed by meiosis and differentiation into either eggs or sperm (mature gametes). Plants do not… … Wikipedia
Oocyte — Stripped human oocyte; granulosa cells that had surrounded this oocyte have been removed. Gray s subject #3 38 … Wikipedia
