Bovine cumulus-corona cells in maturing oocytes. A scanning electron microscopic study

被引：0
|
作者：
Verlengia, C [1 ]
Nottola, SA [1 ]
Bellachioma, E [1 ]
Casilli, F [1 ]
Tripodi, A [1 ]
Familiari, G [1 ]
机构：
[1] Univ Rome La Sapienza, Dept Anat, Fac Med, I-00161 Rome, Italy
来源：
NEW TRENDS IN MICROANATOMY OF REPRODUCTION | 1998年 / 6卷
关键词：
ultrastructure; cumulus cells; oocyte; cow;
D O I：
暂无
中图分类号：
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号：
100101 ;
摘要：
The ultrastructural features of cumulus-corona cells surrounding maturing oocytes in bovine were studied by means of scanning electron microscope in order to provide a detailed description of their surface changes during oocyte maturation. Cumulus corona cell complexes of immature oocytes showed a compact aspect with narrow intercellular spaces. The spaces around mature oocytes enlarged because they were progressively filled with abundant microfibrillar extracellular matrix. In cumulus corona cells complexes of immature oocytes Very numerous long and filiform microvilli were observed, whereas the cumulus corona cell surface surrounding mature oocytes showed occasional large cytoplasmic protrusions along with scanty microvilli and numerous blebs.
引用
收藏
页码：119 / 127
页数：9
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