MEASUREMENTS OF INTRAFOLLICULAR PRESSURES IN THE RABBIT OVARY.
MEASUREMENTS OF INTRAFOLLICULAR PRESSURES IN THE RABBIT OVARY.
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兔卵巢卵泡内压力的测量。
DOI：
10.1152/ajplegacy.1963.205.6.1067
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发表时间：
1963
期刊：
影响因子：
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通讯作者：
Harry Lipner
中科院分区：
文献类型：
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作者：
L. Espey;Harry Lipner
兔Graafian卵泡内的压力已经通过微型吸管直接插管进行了测定。60个成熟卵泡的平均腔内压力略高于17 mm Hg。性交前和性交后卵泡内的压力无差异。15个血滤泡(闭锁前)的平均压力为50 mm Hg。血压与卵泡压力成正比，说明胶体渗透压对卵泡内总静水压力的贡献很小。在排卵锥体出现之前会有气泡。在排卵期间进行的六项测量中，卵泡内压在破裂时立即从15毫米汞柱下降到5毫米汞。在六个排卵卵泡中，有两个可见可见的肌样收缩，伴随着记录的压力变化。一种解释排卵机制的假说包括：膜壁结构的变化会导致排卵的膨胀，而卵泡膜的结构变化会导致排卵的发生。
Pressures within rabbit Graafian follicles have been determined by direct cannulation with micro-pipettes. The average pressure in the antrum of 60 maturing follicles was slightly over 17 mm Hg. There was no difference in the pressures in precoital and postcoital follicles. The average pressure of 15 blood follicles (preatretic) was 50 mm Hg. A direct proportionality was observed between the blood pressure and follicle pressure, suggesting that colloid osmotic pressure contributes little to the total hydrostatic pressure in the follicle. Blebbing preceded the appearance of the ovulation cone. In six measurements made during ovulation, intrafollicular pressure dropped instantly from about 15 to 5 mm Hg at the time of rupture. Visible muscle-like contractions of the follicle, concomitant with recorded pressure changes, were seen in two of six ovulating follicles. A hypothesis explaining the mechanism of ovulation includes the concept that structural changes in the thecal wall result in ballooning and the ap...