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==== Projection of the Corpus Luteum from the Surface of the Ovary====
 
==== Projection of the Corpus Luteum from the Surface of the Ovary====
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* As the corpus luteum enlarges, it pushes itself out of the ovary and so stretches the ovarian surface as it does so.
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* By the time it reaches maximum development it often forms a disctinct projection from the surface of the ovary.
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* Usually, this is a distinct bulge about 1cm in diameter with a clear-cut constriction where it joins the general contour of the ovary.
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* Sometimes, it is nipple like.
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* Another type of projection is indistinct and diffuse, occupying the greater part of the ovary.
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* The type of protrusion depends on the extent of the ovarian surface that was occupied by the follicle just before ovulation.
    
==== Regressing Corpus Luteum ====
 
==== Regressing Corpus Luteum ====
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