The mononuclear phagocyte system of the mouse defined by immunohistochemical localization of antigen F4/80: macrophages of endocrine organs.

Abstract
Macrophages of endocrine organs were identified by immunohistochemical localization of the macrophage-specific antigen F4/80. F4/80+ cells line vascular sinuses and capillaries in anterior and posterior pituitary, adrenal cortex, corpus luteum, parathyroid, pineal gland and islets of Langerhans. In testis .apprx. 20% of interstitial cells are F4/80+. F4/80+ cells infiltrate corpus luteum in increased numbers during luteolysis.

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