- germ ridge
- (Embr) Keimfalte f
Fachwörterbuch Medizin Englisch-Deutsch. 2013.
germ ridge
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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
Germ line development — The cells that give rise to the gametes are often set aside during cleavage. During development, these cells will differientate into primordial germ cells, migrate to the location of the gonad, and form the germ line of the animal. Creation of… … Wikipedia
ridge — 1. A (usually rough) linear elevation. SEE ALSO: crest. 2. In dentistry, any linear elevation on the surface of a tooth. 3. The remainder of the alveolar process and its soft … Medical dictionary
gonadal ridge — an elevation of thickened mesothelium and underlying mesenchyme on the ventromedial border of the embryonic mesonephros; the primordial germ cells become embedded in it, establishing it as the primordium of the ovary or testis. Called also… … Medical dictionary
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… … Universalium
Wissahickon Creek — Geobox River name = Wissahickon Creekcite web | url=Gnis3|1191626 | title=Wissahickon Creek | work=Geographic Names Information System | publisher=United States Geological Survey | accessdate=2008 08 16 ] native name = other name = other name1 =… … Wikipedia
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… … Universalium
Rust (fungus) — Taxobox name = Rusts image width = 330px image caption = Puccinia recondita f.sp. tritici on wheat leaf regnum = Fungi divisio = Basidiomycota classis = Urediniomycetes ordo = Uredinales subdivision ranks = Families subdivision = Pucciniaceae… … Wikipedia
Embryology — 1 morula, 2 blastula 1 blastula, 2 gastrula with blastopor … Wikipedia
