. The anatomical record. Anatomy; Anatomy. 224 NAOHIDE YATSU This remarkable growth of the glanulosuni layer takes place not long after parabiotic operation. Indeed, I have a case in which the ovary showed this change only eighteen days after union. At one portion of the foUicular cyst one often sees an accu- mulation of the lutein cells formed from the theca interna. I have no strong evidence to oppose the view that this represents a stage on the way to formation of a corpus atreticum. But I am rather inclined to beheve that any follicle once distended on the way to become cystic, will remain
. The anatomical record. Anatomy; Anatomy. 224 NAOHIDE YATSU This remarkable growth of the glanulosuni layer takes place not long after parabiotic operation. Indeed, I have a case in which the ovary showed this change only eighteen days after union. At one portion of the foUicular cyst one often sees an accu- mulation of the lutein cells formed from the theca interna. I have no strong evidence to oppose the view that this represents a stage on the way to formation of a corpus atreticum. But I am rather inclined to beheve that any follicle once distended on the way to become cystic, will remain as such and never transform into the solid corpus atreticum. As a matter of fact lutein cells are found in the wall of half-grown follicles. This is represented in figure 4. Here the lutein cells are formed not only from the. Fig. 3 Stratum granulosum of a follicle (thirty days of parabiotic union). X86. theca interna directly, but also from the interstitial cells. After the disintegration of the granulosum cells of such folUcles they turn into solid corpora atticare though sometimes a small cavity appears in them. Other changes, such as unusual growth of the interstitial cells, are exactly the same as in male-female parabioses. 2. Changes in the uterus The uterus, of all the female organs I have examined, is the most afTected by the union with a castrated male. The striking change makes itself evident as early as eighteen days after para- biotic operation. The normal structure of the uterus will not here be described, since that has been so fully studied by Po-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bardeen, Charles Russell, 1871-1935, ed; Boyden, Edward A. (Edward Allen), 1886-1976; Bremer, John Lewis, 1874- ed; Hardesty, Irving, b. 1866, ed; American Association of Anatomists; American Society
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