VASCULATURE 垂体门脉系统（hypophyseal portal system）是核心特征：上垂体动脉（superior hypophyseal arteries）供应垂体柄初级毛细血管网，激素经门静脉输送至前叶；下垂体动脉（inferior hypophyseal arteries）直接灌注后叶。 这种"两级供血"模式保障了激素释放的高效性。

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Improvement of Diabetic Retinopathy after Hypophyseal-Stalk Section in a Patient Whose Adrenal Glands Had Been Removed Authors: Herbert Lourie, M.D., Arnold Moses, M.D., and Charles Lloyd, M.D ...

Archive What We Have Learned from the Toad Concerning Hypophyseal Functions Author: BERNARDO A. HOUSSAY, M.D. Author Info & Affiliations Published May 7, 1936 N Engl J Med 1936;214: 913 - 926 ...