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A, Sex differences in the mean number (±sem) of DYN-, NKB-, kisspeptin (Kiss)- and PR-positive cells in the rostral, middle, and caudal divisions of the ARC between adult female (black bars, n = 4) and male (white bars, n = 4) sheep. *, P < 0.05. B, Mean percentage (±sem) of either DYN, NKB, or kisspeptin (Kiss) cells that colocalized PR in the rostral, middle, and caudal divisions of the ARC in female (black bars, n = 4) and male (white bars, n = 4) sheep.
