Abstract
Summary
Brain blood from “stressed” and “unstressed” hypophysectomized rats was injected into rats bearing hypothalamic lesions, and also into hypophysectomized and adrenalectomized rats. When brain blood from stressed hypophysectomized rats was injected into lesioned rats, a marked eosino-penia occurred; this did not occur when unstressed brain blood was injected into those same lesioned rats. This eosinopenia depended upon the presence of an intact pituitary-adrenal axis.
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