Figure 2From: Progesterone produces antinociceptive and neuroprotective effects in rats with microinjected lysophosphatidic acid in the trigeminal nerve root The morphological changes in the trigeminal nerve root following microinjection of LPA. On postoperative day 1 (A, B) and 14 (C, D), luxol fast blue stained light micrographs reveal severe demyelination of axonal portion of the trigeminal nerve root compared with vehicle-injected root, respectively (E, F). LPA-induced demyelination was recovered on postoperative day 160. Scale bar, 50 μm.Back to article page