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Figure 1: The diagram shows the differential effects of unilateral sectioning of one of the neural pathways innervating the ovaries and the extirpation of one ovary. The ovaries receive at least three neural pathways. The sectioning of one of them still leaves two pathways that will “compensate” the lack of one of them. The extirpation of one ovary, as in unilateral ovariectomy, results in the lack of the neural pathways arising from the extirpated ovary. Then, the inervated ovary does not have information on the functions of the other ovary.
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