248 



SUBJECT INDEX 



Hypothalamus, effect of lesions, on FSH 



secretion, 62 

 implants, 187 



— extracts, effect of, 68, 69, 100 



— function of, 56, 65-67, 82, 98, 109, 222 



— preoptic region, activity of, 149 

 effect on ovulation stimulation, 59, 



64, 101, 102, 104-106, 108, 109, 111, 

 115 



lesions, effect of, in hens, 147-149, 



151 



— sex centres, 101, 118 



— stimulation of, 64, 81, 98, 101, 103, 104, 



113, 115, 117 



— supra-optic region, avian, 151, 152, 189 

 function of, in hens, 1 52 



Insemination, artificial, effect of (rumi- 

 nants), 165, 167, 168, 171, 184 

 Interstitial cell, ascorbic acid content, 216 



— atrophy of, 187 



— evolution of, 187 



— repair of (rats), 3, 4, 6, 8, 9, 190 



— stimulation of, 13, 36 



Interstitial cell hormone (ICSH) {see also 

 Hormones, Gonadotropins) 



— assay and purification of, 8, 9 



— effect of, in frogs, 123 



in rats, 2, 3, 5-8, 12, 14-20, 49 



— occurrence, 181, 243 



— secretion of, in rats, 113 



Ketosteroids (see also Steroids) 



— excretion of (animals), 118 



(women), 196, 197, 199-203, 205 



Lithosperm, effect of, in hens, 185 



in women, 224 



Luteotropin (LH) {see also Hormones, 

 Prolactin) 



— activity levels, in hens, 141, 154, 160 

 in monkeys, 215 



in ruminants, 180 



— assay of, 156,216,221 



— content in pituitary, in rats, 120, 121 



— effect of, in hens, 122, 123-130, 132, 138, 



139, 147, 154, 157, 185, 186 



in monkeys, 49, 52, 53 



in rabbits, 84 



in rats, 56, 177, 190, 216, 218-221, 



243 



in ruminants, 163, 168, 173, 174, 179 



in women, 193, 194, 209, 211, 228, 



242, 243 



— excretion of, in women, 217 



— mechanism, in the rat, 111, 157 



— preparation of, 138 



Luteotropin (LH), secretion of, in hens, 124, 

 125, 132, 138, 145-147, 156, 157, 

 160 



in rabbits, 64-67, 69, 122 



in rats, 71, 113, 122 



in ruminants, 98, 99, 174 



Median eminence (.v^^' also Tuber cinereum) 



— avian, 143, 144, 147, 149 



— lesions, effect of, 61 



— stimulation of, 65, 101, 104, 110, 111, 



113, 115 



— structure of, 66-69, 189 



— tissue extracts, 67-72, 119 

 Melanophore stimulating hormone (MSH) 



{see also Hormones) 



— effect of, 52 

 Myometrium, development of, 132 



Neurohypophysectomy, effect of, in hens, 



144 

 Neurohypophysis, avian, 143, 152 



— innervation of, 189 



— structure of, 68, 189 

 Neurohypophysis hormone {see also Hor- 

 mones) 



— effect of, in ruminants, 98 

 Nilevar {see Nortestosterones) 

 Norethindrone (Norlutin), effect of, as 



ovulation inhibitors, in rabbits, 93-95 



in rats, 46, 48 



in women, 224, 237, 238, 243 



ovulation suppressant, in women, 



228 



— preparation of, 225 

 Norethynodrel {see also Enovid), effect 



of, as ovulation inhibitor, in rabbits, 



93 



in rats, 46-48 



in women, 225, 227, 228, 237 



— — ovulation suppressant, 240 

 Norgestagens, effect of, 93-95 

 Norlutin {see Norethindrone) 

 Norsteroids {see also Steroids) 



— derivatives: 17a-(l-methallyl)-19-nortest- 



osterone (SC 8117), 229, 230 

 methylpregnone, 229 



— effect of, as ovulation inhibitors, in 



women, 44, 48, 224 



— properties of, 225 

 Nortestosterones (incl. Nilevar) 



— derivatives, 41, 44 



as ovulation inhibitors, in rabbits, 



41,44,93 

 in women, 224 



