卵子运输模型。

A model of ovum transport.

作者信息

Blake J R, Vann P G, Winet H

出版信息

J Theor Biol. 1983 May 7;102(1):145-66. doi: 10.1016/0022-5193(83)90267-9.

Abstract

A theoretical fluid dynamical model of ovum transport in the oviduct incorporating transport mechanisms due to ciliary activity, muscular activity and an applied pressure drop across the oviduct is developed. Theory suggests that the cilia provide the steady component of ovum transport whereas muscular activity results in highly oscillatory motion. If muscular activity is to provide transport in a pro-uterine direction, a coordinated sequence of muscular activity with a strong pro-uterine bias is needed. Changes in pressure are highest in the narrowest sections. The highly convoluted rugae may allow "leakback" around the ovum so relieving the pressure drop across the ovum in narrower sections of the oviduct.

摘要

建立了一个输卵管内卵子运输的理论流体动力学模型，该模型纳入了由于纤毛活动、肌肉活动以及输卵管两端的外加压降所产生的运输机制。理论表明，纤毛提供卵子运输的稳定成分，而肌肉活动则导致高度振荡运动。如果肌肉活动要提供向子宫方向的运输，就需要一系列具有强烈向子宫偏向性的协调肌肉活动。压力变化在最狭窄的部分最高。高度卷曲的皱襞可能允许卵子周围出现“回漏”，从而减轻输卵管较窄部分卵子上的压降。