capacitationn.
/kəpasɪˈteɪʃən/ a. A rendering capable.
ΘΚΠ
the world > action or operation > ability > [noun] > rendering capable
enablinga1586
enablement1605
habilitation1625
abilitation1647
capacitatinga1652
potentiation1818
capacitation1839
potentiating1963
1839 T. De Quincey On Hume's Argument in Blackwood's Edinb. Mag. July 95/1 The..supernatural birth..was essential, as a capacitation for the work to be performed.
b. Physiology. 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.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > fecundation or impregnation > [noun] > capacitation
capacitation1951
recapacitation1970
1951 C. R. Austin in Austral. Jrnl. Sci. Res. B. 4 594 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.
1969 Nature 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.
This entry has not yet been fully updated (first published 1888; most recently modified version published online June 2018).
<
n.1839