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Photomicrographs of DIG-labeled endocrine cells of the pituitary. Immature (IM) (A–G) and mature (M) (H–N) males are shown. (A and H) PRL cells. (B and I) GH cells. (C and J) SL cells. (D and K) FSH cells. (E and L) LH cells. (F and M) TSH cells. (G and N) POMC (MSH, ACTH); ACTH cells are shown in rectangles. (Scale bars: 70 μm in A–G; 200 μm in H–N; 20 μm in F and M Insets; and 70 μm in K Inset.) Cells shown in F, K, and M Insets are from within the rectangles.
