- primary cleavage
- 初期卵裂,初级卵裂
Medical Chinese dictionary (湘雅医学词典). 2013.
primary cleavage
Look at other dictionaries:
Cleavage (geology) — This article is about rock cleavage, for cleavage in minerals see Cleavage (crystal) Different ways in which a cleavage can develop in a sedimentary rock. A: original sedimentary rock; B: pencil cleavage; C: diagenetic foliation (parallel to… … Wikipedia
Cleavage (breasts) — A woman s cleavage Cleavage, anatomically known as the intramammary cleft, is the space between a woman s breasts lying over the sternum. Cleavage is exposed by a garment with a low neckline, such as ball gowns, evening gowns, swimwear, casual… … 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
Primary structure — In biochemistry, the primary structure of a biological molecule is the exact specification of its atomic composition and the chemical bonds connecting those atoms (including stereochemistry). For a typical unbranched, un crosslinked biopolymer… … Wikipedia
blastomere — n. [Gr. blastos, bud; meros, part] Cells formed during primary cleavage of an egg, before the formation of a distinct gastrula stage … Dictionary of invertebrate zoology
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
plant development — Introduction a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… … Universalium
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
RNA interference — (RNAi) is a mechanism that inhibits gene expression at the stage of translation or by hindering the transcription of specific genes. RNAi targets include RNA from viruses and transposons (significant for some forms of innate immune response), and … Wikipedia
Hillary Clinton presidential campaign, 2008 — Hillary Clinton for President Campaign U.S. presidential election, 2008 Candidate Hillary Rodham Clinton Senator 2001–2009 … Wikipedia
Post-transcriptional modification — is a process in cell biology by which, in eukaryotic cells, primary transcript RNA is converted into mature RNA. A notable example is the conversion of precursor messenger RNA into mature messenger RNA (mRNA), which includes splicing and occurs… … Wikipedia
