Thus a hollow appears on the surface of the nucleus.The precursor of chromatoid body gathered in the hollow and condensed into chromatoid body.
拟染色体前体物质集中于该凹陷中，并聚焦成拟染色体。
| 单词 | Chromatoid body |
| 释义 |
Chromatoid body
英语例句库
Thus a hollow appears on the surface of the nucleus.The precursor of chromatoid body gathered in the hollow and condensed into chromatoid body. 拟染色体前体物质集中于该凹陷中，并聚焦成拟染色体。 First, the precursor of chromatoid body adhered to the inner surface of the nuclear envelope.The nuclear envelope where the chromatoid body adhering was destroyed. 在初级精原细胞的细胞核中，拟染色体前体物质先附著于核膜内侧，该处核膜崩溃。
英语百科
Chromatoid bodyA chromatoid body is a dense structure in the cytoplasm of male germ cells. It is composed mainly of RNAs and RNA-binding proteins and is thus a type of RNP granule. Chromatoid body-like granules first appear in spermatocytes and condense into one single granule in round spermatids. The structure disappears again when spermatids start to elongate. The chromatoid body is crucial for spermatogenesis but its exact role in the process is not known. However, due to due to similarities with RNP granules found in somatic cells - such as stress granules and processing bodies - chromatoid body is thought to be involved in post-transcriptional regulation of gene expression. As chromatoid body is significantly bigger than other known RNP granules it is seen even with light microscopy and was discovered already in 1876 by A. von Brunn. |
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