Abstract
Summary
Homoplastic suprarenal cortices may incorporate and persist for as long as 5 months in the eyes of normal hosts. The extent of cortical regeneration in suprarenal grafts as well as the frequency of persistence is augmented by suprarenalectomy and by homopituitary implantation. The evidence seems to indicate that differentiation in cortical transplants is conditioned by the cortico-adrenotropic principle of the anterior hypophysis. The medullary tissue is relatively specialized but it may persist in homoplastic grafts if the period of nutritional interruption is minimized.
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