| 单词 | residual body |
| 释义 | > as lemmasresidual body residual body n. Cell Biology a quantity or body of matter that becomes superfluous to a cell at a particular point in its development or metabolism; esp. (a) redundant cytoplasm and organelles rejected during the latter stages of spermatid development; (b) a vacuole containing indigestible matter resulting from the lysosomal breakdown of cell contents. ΚΠ 1887 Jrnl. Royal Microsc. Soc. 7 66 The spermatozoa arise directly from the naked ‘endoderm’ spermatides, the head forms the nucleus, and a ‘residual body’ remains. 1936 Jrnl. Parasitol. 22 514 Residual bodies were present in the sporocysts, although not in the oocysts. 1967 O. D. Chrisman & R. Campo in C. A. L. Bassett Cartilage Degradation & Repair 82 The digestive vacuoles are present for the purpose of phagocytosing unneeded structures in the cell... The end product of such a cycle is a residual body. 2008 Fertility & Sterility 90 2342/2 The tissue remodeling includes the release of preleptotene spermatocytes from basement membranes, spermiation, and the detachment of residual bodies from the mature spermatids. < as lemmas |
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