Figure 6From: 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 rhythm[3H] ketanserin binding sites on coronal sections of premammillary hypothalamus from 2 representative ewes. A and C: total binding and B and D: remaining binding after incubation with 10-6M methysergide. A and B are sections from a ewe exhibiting high LH pulsatility whereas C and D are from a ewe exhibiting low LH pulsatility. Bar = 2mm. FMT, mammillothalamic tract; FX, fornix. Third ventricule (V3).Back to article page