- secondary polar cell
- 제2극세포
English-Korean animal medical dictionary. 2013.
secondary polar cell
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secondary oocyte — n an oocyte that is produced by division of a primary oocyte in the first meiotic division * * * an oocyte in the period between the first and second maturation division; it is derived from a primary oocyte shortly before ovulation by a division… … Medical dictionary
polar body — n. a minute cell cast off when a primary oocyte undergoes meiotic division to produce a secondary oocyte and again when the secondary oocyte divides to produce an ovum … English World dictionary
cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… … Universalium
Polar body — A polar body is a cell structure found inside an ovum. Both animal and plant ova possess it. Asymmetrical cell division (cytokinesis) leads to the production of polar bodies during oogenesis. To conserve nutrients, the majority of cytoplasm is… … Wikipedia
polar bodies — 1. small nonfunctional cells with a haploid chromosome complement, consisting of a small amount of cytoplasm and a nucleus, resulting from unequal division of the primary oocyte (first polar b.) and, if fertilization occurs, of the secondary… … Medical dictionary
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
Mars Polar Lander — Artist depiction of Mars Polar Lander on Mars. Operator NASA / JPL Major contractors Martin Marietta … Wikipedia
Sickle-cell disease — This article is about the disease itself. For the genetic transmission of sickle cell disease and its carrier state, see sickle cell trait. Sickle cell disease Classification and external resources Normal and sickle shaped red blood cells ICD 10 … Wikipedia
Oogenesis — Oogenesis, ovogenesis or oögenesis ( /ˌoʊ … Wikipedia
Atmospheric circulation — is the large scale movement of air, and the means (together with the smaller ocean circulation) by which heat is distributed on the surface of the Earth. The large scale structure of the atmospheric circulation varies from year to year, but the… … Wikipedia
body — 1. The head, neck, trunk, and extremities. The human b., consisting of head (caput), neck (collum), trunk (truncus), and limbs (membra). 2. The material part of a human, as distinguished from the … Medical dictionary
