“capacitation”的英文意思_释义_用法

单词

capacitation

释义

capacitation|kəpæsɪˈteɪʃən|
[noun of action f. prec.: see -ation.]
a. A rendering capable.
a1858De Quincey Miracles Wks. VIII. 234 The..supernatural birth..was essential as a capacitation for the work to be performed.
b. Physiol. The process or change that a spermatozoon undergoes in the female reproductive tract rendering it capable of penetrating the zona pellucida of an ovum and so fertilizing it.
1951C. R. Austin in Austral. Jrnl. Sci. Res. B. IV. 594 The principal conclusion..is that, at least in the rat and the rabbit, the sperm must undergo some form of preparation or capacitation before it can penetrate the zona.1969Nature 6 Sept. 1042/1 The acrosome, the cap-like structure on the head of the spermatozoon, is punctured in the course of capacitation and releases enzymes which dissolve materials such as compose the outer coverings of the egg.

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