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CRH-IR and tanycyte end-feet are prevalent in the external zone of the median eminence. A: punctate CRH-IR (pseudo-colored green) and tanycyte terminations (pseudo-colored blue) are concentrated in the external zone of the median eminence, while nNOS-IR (pseudo-colored white) is concentrated in the internal zone. 3V, third ventricle. B: higher magnification of dashed-line box in A. CRH-IR surrounds tanycyte processes (arrow). Scale bars: A = 200 µm; B = 50 µm.
