animal-vegetal axis
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animal pole — In most animal oocytes the nucleus is not centrally placed and its position can be used to define two poles. That nearest to the nucleus is the animal pole, and the other is the vegetal pole, with the animal vegetal axis between the poles passing … Dictionary of molecular biology
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
egg axis — noun : an embryonic axis passing through the animal and vegetal poles of an egg … Useful english dictionary
Regional specification — In the field of developmental biology, regional specification is the process by which different areas are identified in the development of the early embryo. The process by which the cells become specified differs between organisms. Contents 1… … Wikipedia
Cleavage (embryo) — In embryology, cleavage is the division of cells in the early embryo. The zygotes of many species undergo rapid cell cycles with no significant growth, producing a cluster of cells the same size as the original zygote. The different cells derived … Wikipedia
Islamic arts — Visual, literary, and performing arts of the populations that adopted Islam from the 7th century. Islamic visual arts are decorative, colourful, and, in religious art, nonrepresentational; the characteristic Islamic decoration is the arabesque.… … Universalium
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
pole — 1. One of the two points at the extremities of the axis of any organ or body. 2. Either of the two points on a sphere at the greatest distance from the equator. 3. One of the two points in a magnet or an electric battery or cell having extremes… … Medical dictionary
axe — [ aks ] n. m. • 1372; lat. axis « essieu » 1 ♦ Ligne idéale autour de laquelle s effectue une rotation. Astron. Axe du monde (cf. Coordonnées célestes). ♢ Géom. Droite autour de laquelle tourne une figure plane pour engendrer un solide de… … Encyclopédie Universelle
Shamanism — Shaman redirects here. For other uses, see Shaman (disambiguation). Russian postcard based on a photo taken in 1908 by S. I. Borisov, showing a female shaman, of probable Khakas ethnicity.[1] Shamanism is an anthropological term referencing a… … Wikipedia
