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Fig. 3 | Biology of Sex Differences

Fig. 3

From: Sexual dimorphism in the hypophysiotropic tyrosine hydroxylase-positive neurons in the preoptic area of the teleost, Clarias batrachus

Fig. 3

Double immunofluorescence photomicrographs of transverse sections through the proximal pars distalis (PPD) of the pituitary of the male (ac) and female (df) Clarias batrachus showing the association between tyrosine hydroxylase immunoreactive (TH-ir) fibers (green) and LH cells (red). LH cells contacted by TH-ir fibers are shown with arrows. Greater number of LH cells is contacted by TH-ir fibers in the PPD of females. Scale bar = 25 μm

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