| 词汇 | stem-cell |
| 释义 | stem cell noun[ C ] biologyuk /ˈstem ˌsel/ us /ˈstem ˌsel/ a cell, especially one taken from a person or animal in a very early stage of development, that can develop into any other type of cell干细胞 Cells actin anaphase anti-platelet assort axoplasm histochemistry histography homologous chromosomes infiltration intercellular neoplasia nerve fibre neurofibril neurofibrillary neuroglia teratoma tetrad thrombocyte thymocyte turgor stem cell | American Dictionarystem cell noun[ C ] us/ˈstem ˌsel/ biology a type of cell that is able to divide to produce more cells, or to develop into a cell that has a particular purpose Examples of stem cellstem cell Embryonic stemcell lines derived from human blastocysts. Structure of the active core of human stemcell factor and analysis of binding to its receptor kit. A challenge in responding to such requests is in determining the comparative benefits and risks of different stemcell transplant methods. Examples of cell signalling pathways implicated in adult stemcell ageing. Integration of proliferation versus differentiation signals that regulate trophoblast stemcell fate. Her own place in the controversy having settled down, we asked her to give us her story and perspectives on the stemcell issue. Evolutionarily conserved developmental signaling pathways active in germinal and neuronal stemcell proliferation and differentiation in drosophila and mammalian development are implicated in mammary tumorigenesis. The cells of all tissues in the resulting chimeric mice consisted of mixtures o f the two types of cells, including the stemcell population. Effect of timing of oocyte activation on rat cloning using neural stemcell nuclei (abstract). A permanent monogamic mating schedule started 43 days after treatment to recover offspring derived from treated stemcell spermatogonia. As the above analysis has shown, the abundant use of therapeutic arguments to justify human embryonic stemcell research lacks empirical foundation. Although the group condemned human reproductive cloning, they found acceptable the cloning of human embryos for stemcell research. These cycles of growth are thought to rely on the presence of a mammary stemcell population. These early studies are pointing the way to a bright future for ageing research and stemcell biology. Transplantation of limiting dilution numbers of stem cells in a competitive repopulating assay allows a quantitation of the stem-cell-repopulating unit present in a transplanted population. See all examples of stem cell These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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