Plate 15.283 Pituitary Gland
Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger,
Peer Review Status: Externally Peer Reviewed
Human, 10% formalin, Masson's stain, 612 x.
Colloid: Secretion product. Found in the center of some cords.
Chromophobe: Small, faintly staining and less numerous than other cells in the pituitary. Scanty cytoplasm devoid of granules. Tend to cluster near center of cords.
Eosinophils: Alpha cells. Larger than chromophobes. Cytoplasm filled with acidophilic granules. Source of growth and lactogenic hormones.
Basophil: Beta cell. Larger than the average eosinophil and less heavily granulated. Secretes thyroid- stimulating hormone, adrenocorticotropic hormone, follicle-stimulating hormone, and luteinizing hormone.
Red blood cells: Filling the sinusoids.
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