Direct Effects of Nerve Growth Factor on Thecal Cells from Antral Ovarian Follicles**This work was supported by NIH Grants HD-24870 (to S.R.O.), HD-33372 (to M.K.S.), NICHHD/NIH through Cooperative Agreement U-54-HD-18185 as part of the Specialized Cooperative Centers Program in Reproduction Research, and RR-00163 for operation of the Oregon Regional Primate Research Center.