Abstract
Fragments of ovaries and testicles in chickens, and testicles in guinea fowls were removed and placed beneath the skin. Other similar fragments were placed in the peritoneal cavity. After several months the engrafted tissues were examined and compared with each other and also with the tissue left in normal situation.
Results. —When engrafted in favorable situations, i. e., in close proximity to large blood vessels, 1 both subcutaneous and intraperitoneal ovarian tissues make a good growth in chickens, being very similar both in gross and microscopical appearance to normal ovarian tissue. In agreement with Lode, 2 testicular tissue in chickens was found to give good results being very similar to the results for ovaries. The same was also found to be true for guinea fowls. Such engrafted tissues contained numerous spermatozoa.
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