SUBJECT INDEX 



307 



Claws 69 



— cutting edge and uneven keratini- 



zation 273 

 " Club " hair 89 (Fig. 40) 

 Coiled coils and a-helices 183, 184 



(Fig. 77) 

 Collagen 2, 16, 19, 31, 53 



— appearance in electron microscope 



19, 21, 168 



— as a secreted fibre 121 



— fibre formation of 127 

 heat contraction of 256 



— in insects 19 



— meshworks 1 30 



— molecular structure of 127 

 Colleterial glands in insects, proteins 



of 5, 204 



— structure of 205 (Fig. 87) 

 Comparative cytology of cells forming 



protein 113 (Fig. 50) 



Competition, as control factor in 

 growth 149, 159 



Components of keratinized tissue re- 

 vealed by chemical extraction 271 



Composition and properties of keratoses 

 239 (Table 15) 



— of rabbit fur and medulla 270 

 (Table 20) 



Concentric membranes, whorls, my- 

 elinic forms in cytoplasm 46 



Configuration of polypeptides in syn- 

 thesis 119 



Contact inhibition of cell movement 

 85 



Control diagram of hair growth (Chase) 

 152, 153 (Fig. 63) 



— of growth by inhibitors 140 et seq. 

 Cortex of hair 71,72,101 



electron microscopy of 101, 211 



et seq., 223 

 Cortical cells and elasticity of hairs 174 



— in hair follicle 4, 223 



— of hair and wool 72 



— of wool, extensibility 174 

 Cortisone 54 



Crimp, and bilateral structure of wool 

 273 



— formation, theory of 157, 158 



(Figs. 66, 67) 



Crimp, in wool 156 et seq. 

 Cross-linkages of protein(s) 19 et seq. 



— reformation by alkylation 3, 252 

 Cross-linking of epidermin (prekeratin) 



235 

 Cross /3-pattern 200 et seq. (Fig. 84) 



— explanation of 201 



— from bacterial flagella 202 



— from insect egg stalks 201 



— from muscle 201 

 Crystalline/amorphous ratio 191 

 Crystallites, stabilizing effect of 19, 



255 



— and supercontraction 256 



— and X-ray diffraction 12, 256 

 Crystallographic analysis of keratins 



176 et seq. 

 Curls from curved follicles 156 

 Cuticle cells, in keratinization 224 



of hair 72 



fine structure of 225 (Plate 20A) 



action of osmium tetroxide 225 



— of hair 71,72,98,99,265 



— extensibility of 265 



— structure 266 (Fig. 110) 

 Cuticular keratin, characteristics 101, 



225, 265 

 Cybernetics 145, 157, 158, 159 

 Cycles in mouse and human skin 89 



(Fig. 40), 96, 136 

 Cyclic activity, generated by feed-back, 

 *141, 145 (Fig. 60) 



— changes in vaginal epithelium 135, 



— 136 



— growth (rhythms) in feather follicle, 

 106 



Cyclostomes, and mucinogenic glands 

 59 



— teeth of 75 



Cystine 21, 29, 214 et seq., 230 



— cross-linkages, location of 234, 245 



et seq., 252 

 absent from crystallites 246 



— formation in follicle 232, 245 



— in cuticular keratin 226 



— reaction with osmium tetroxide 

 35, 36 



Cysts, keratinized 275 

 Cytology, of cells synthesizing protein 

 108 etseq., 110 (Fig. 49) 



