capacitation


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Related to capacitation: Acrosome reaction

capacitation

[kə‚pas·ə′tā·shən]
(physiology)
The process of physiological change occurring in mammalian spermatozoa during passage through the female reproductive tract that enables them to penetrate the egg membrane.
References in periodicals archive ?
A comprehensive proteomic approach to identifying capacitation related proteins in boar spermatozoa.
It also transforms the sperm to give the sperm the ability, or capacity, to fertilize the ovum for conception, a process called sperm capacitation," said Dr.
The addition of IGF-I Complex protein can increase the percentage of motile spermatozoa, while also regulating the function of spermatozoa before and after ejaculation significantly improve sperm motility and capacitation [13,19].
However, another study reported that transgenic mice over-expressing a truncated Fgfr1 that lacks a signal transduction domain in elongated spermatids displayed a reduction of daily sperm production and capacitation (39).
Semenogelin, the main protein of semen coagulum, inhibits human sperm capacitation by interfering with the superoxide anion generated during this process.
to understand the level of women's involvement, participation has to move beyond the project notion to a multi-relational perspective that examines women's role both at the project level as well as well as in the linkages related to shelter" (p10) The implications of this view are enormous in that they see participation as a contributor in institutional capacitation not only for housing itself but also for downstream opportunities and challenges that are an integral part of human settlements.
The bishops must, at some level, understand this science, since they support the use of medications that "prevent ovulation, sperm capacitation, or fertilization" on women who are victims of sexualized violence.
For instance: the adult impulse to address queer kids understood to be vulnerable may indeed be inseparable, in our current moment, from neoliberal logics of biopolitical capacitation and the optimization of normalized queer productivity, as Puar (with the help of critics like Lauren Berlant and Robert McRuer) beautifully and convincingly demonstrates; and it may be inseparable, too, from the style of inevitably condescending adult concern Nyong'o describes, with its false retrospection and salvific hunger for a kind of reparative self-healing performed through the bodies of the youth.
It has been hypothesized that these secretions aid in sperm viability, capacitation, activation, or function as a constituent of the spermatophore (Siegel et al.
La frecuentemente inexacta e incompleta in formaciOn que se proporciona a la clientela sobre el uso del misoprostol para inducir el aborto, sugiere la necesidad de mejorar la capacitation de los vendedores de farmacias sobre el aborto con medicamentos y de desarrollar las opciones para informar directamente a las mujeres sobre el uso de misoprostol.
Human spermatozoa; maturation, capacitation, and abnormalities.