The Journal of experimental zoology . ^difficult to sex this organ. It is largely composed of tubules,which radiate toward the periphery from a central connectivetissue core. But the entire surface looks like an ovarian stroma(fig. 19) and all this connective tissue at the periphery and con-tinuing down between the tubules contains many masses ofthe lutear cells normally found in the theca interna (figs. 19 tand 20 t). The tubules are in some places lined with character-istic columnar epithelium cells (fig. 20), but in most the cellsappear to be breaking down (fig. 19). In the central core of
The Journal of experimental zoology . ^difficult to sex this organ. It is largely composed of tubules,which radiate toward the periphery from a central connectivetissue core. But the entire surface looks like an ovarian stroma(fig. 19) and all this connective tissue at the periphery and con-tinuing down between the tubules contains many masses ofthe lutear cells normally found in the theca interna (figs. 19 tand 20 t). The tubules are in some places lined with character-istic columnar epithelium cells (fig. 20), but in most the cellsappear to be breaking down (fig. 19). In the central core of 14 ALICE M. BORING AND RAYMOND PEARL this organ, there are some interstitial cells loaded with se-cretion granules (fig. D) also many streaks of tumor-likematerial. This bird is probably a female arrested in the de-velopment of its gonad earlier than 1429. To be sure <? ^ J^.
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Keywords: ., bookauthorwi, bookcentury1900, bookdecade1910, booksubjectzoology
