However, if a Y-chromosome is present , it stimulates the undifferentiated gonadal cell mass to develop into testicles .

然而免费黄片2019，如果受精卵中存在Y染色體，它會調控未分化的生殖細胞團發(fā)育成睪丸AV福利免费在线观看。

The rising estrogen level also stimulates the growth of some of the Graafian follicles that encase the immature ova.

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The rising estrogen level also stimulates the growth of some of the Graafian follicles that encase the immature ova.

雌激素水準升高也刺激一些卵泡生長。

It improves the quality of meibomian gland secretion and stimulates aqueous tear secretion by repairing tear secretion in dysfunctional lacrimal glands and decreasing lacrimal gland apoptosis.

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Human basic fibroblast growth factor is a single-chain heparin-binding polypeptide. It is a general regulatory mediator for different cells such as endothelial cells and for other cells of mesodermal and neuroectodermal origin, it stimulates cells proliferation, inducing or delaying differentiation.

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Vitamin A stimulates mitotic activity and the production of collagen - the stuff skin is made of.

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Its mechanism is that MT stimulates CNS to produce EOP which could regulate the content of cAMP and cGMP and control the production and the release of the monoamino neurotransmitters.

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It stimulates and mobilizes our fragmented parts into a unified morphic field of inquiry. It ignites a unique unexpected and magical turn of events.

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First it stimulates and solidifies students' interest and initiative; Second it highlights the important points and difficult points to deepen the understanding of history knowledge; Third it broadens education channel thus strengthens the moted function of history course.

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It is also effective as to liven up physiological system, activate hormone secretion and rid off body toxin; meanwhile, it stimulates metabolism, strengthens energy and eliminate fatigue of the body and relieve intramuscular and nerval tension and body ache.

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