Figure 3From: Changes in the 5-HT2Areceptor system in the pre-mammillary hypothalamus of the ewe are related to regulation of LH pulsatile secretion by an endogenous circannual rhythmBright-field microscopy images of premammillary hypothalamus after in situ hybridization with antisense (X, Y) or sense (Z) riboprobes against sheep 5HT2A receptor. Arrows indicate labeled neurons. Scale bar 15 μm. X is a ewe from the high group while Y is a ewe from the low group.Back to article page