Using the model of in vitro perfusion of the isolated rabbit ovary, in which follicular ruptures can be observed, in this paper we report on the photographic and cinematographic recording of the gross anatomy of ovulation. The observed sequence of events and their timing were very similar to that which has been reported for ovulation observed in vivo. In addition, the use of infrared film made it possible to visualize intrafollicular events prior to rupture.
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