SUBJECT INDEX 



309 



Enzymatic digestion of cuticle 266 

 (Fig. 110) 



— of hair 271 



— of reduced wool 254 

 Epicuticle of hairs 265, 267 

 Epidermal family of cells 57 et seq. 



(Fig. 26) 



— fibrils, organization of 131, 132, 

 229 (Plate 17) 



— glands 57 et seq. 



— growth 133 et seq. 



control of 146 et seq. 



effect of inhibitors 147 



stimulated by stripping, blood 



supply and Thorium-X radi- 

 ation 149 



— keratin, fine structure of 228 et seq. 



(Plate 17) 



— pigments 276 (Table 21) 



— thickenings 66,134 

 Epidermin and reduced keratins 238 



— preparation and properties 235 



— sedimentation analysis of 236 

 Epidermis 55 (Fig. 25) 



— fine structure of 94 



of keratinizing layers 228, 



229 (Fig. 99) 



— idealized form 56 



— local control of morphogenesis 96, 



146 

 Epithelia, differentiation of 90 et seq. 



— nutrition of 55, 56 

 Ergastoplasm 46, 48 (Table 23) (Plate 



10 A) 

 Exocuticle of hair 265 

 Extensibility of feather 24, 257 



— of hairs 174,175 



— — molecular basis 172, 175 

 Extracellular keratins 30, 107 



Feather(s) 69, 70 (Fig. 30) 



— amino acids in 8 (Table 2) 



— and scales, homologies 69 



— cells, fine structure 104 (Plate 1 2 A) 



— cyclic polypeptides 163 



— extracts 238, 243 



— fibrils 224 



— follicle 101 et seq., 102 (Fig. 45), 

 103 (Fig. 46), 105 (Fig. 47) 



— keratin 33, 34 



Feather(s), keratin, evolution 24, 25 



solutions 207 



structure of 205 et seq., 207 



(Fig. 88), 209 (Fig. 89) 

 X-ray diffraction data 169 



(Table 10), 171 (Table 11) 



— monomeric unit of 163, 164 



— surface cells 73 



— thiol groups in follicle of 218 



(Fig. 96) 

 Feed-back, and oscillations 141, 142 



— control of growth 140 



— control in follicle 152, 153 (Fig. 



63), 158, 159 



— controls 141 



— intracellular 141 

 Felting 73 



Feulgen test 54, 220 (Fig. 97b) 

 Fibre forming properties of extracted 



keratins 244 

 Fibrillar structures of epidermis 230 



(Plates 17 and 22) 

 Fibrils of fibrous keratin 187 



— formation and X-ray pattern 223 



— internal structure 187, 188 (Fig. 



81) (Plates 15 and 16) 

 Fibrinogen 121 

 Fibrinogen-fibrin system 126 

 Fibroblasts in dermis 92 (Plate 23 B) 

 Fibrogenesis 125 et seq. 

 Fibrous texture 123 

 Filament-plus-matrix model 193, 247 



(Fig. 102), 248 

 Filaments, and fibrils in hair follicle 



223 (Plates 13, 15 and 16) 



— in a-proteins found electron micro- 



scopically, 185 

 a-Filaments 183 



— and a-fibrils, definition 186 (Fig. 



80), 187 



— characteristics 248 



— structure 186 



organization into larger units 187 



Fine histology of hair follicle 95, 223 

 et seq. 



— structure of cells 34 et seq. 

 Flagella of bacteria (X-ray pattern) 



187, 202 (Fig. 86), 203 

 Flagellin 203 



