546 



INDEX 



Osmotic control, 443 



Osmotic pressure, (35), 35, 246, 291, 402 



Ossein, 299 



Osseoalbuminoid, 299 



Osseomucoid, 299 



Ossification, 299, 300 



Osteoblasts, 401 



Ovarian follicle, 322 



Ovarian hormone, 322, 324 



Ovaries, 318, 321, 322 



Overcrowding, 279 



Overeating, 366 



Ovulation, 319 



Oxalate, 260, 372 



Oxaloacetate, 255, (400), 450 



Oxidases, 131, (150), 473 



Oxidation, 166 



/3-Oxidation, 454 



Oxidation-reduction potential, 110-111, 



211 

 Oxidative phosphorylation, 179, 309, 314 

 Oxidative rancidity, 84 

 Oxidocyclase, 462 

 Oxygen, 5, 20, 84, 85, 118, 235, 243, 250, 



255, 291, 293, 298, 334, 381, 399, 



404, 504 

 deficiency of, 42 

 transport of, 294, 297, 298, 375 

 Oxyhemoglobin, 298 

 Oxytocin," 320, 321, 324 



Packing-house by-products, 419 

 Palmitic acid, 75, (76), 80, 82, 92, 230, 



231 

 )3-Palmitodiolein, 231 

 /3-Palmitooleostearin, 231 

 Pancreas, 312, 313 

 Pancreatic amylase, 434 

 Pancreatic juice, 10, 312, 313, /i? 

 Pancreatic lactase, 434 

 Pancreozymin, 312, 433 

 Pantoic acid, 342 

 Pantothenic acid, (342), 342, 430 



deficiency of, 343 

 Papain, 148, 239 

 Paper, 69 



Parascorbic acid, 237 

 Parasites, 279 

 Parasympathetic nervous system, 306, 



349 

 Parathyroid glands, 317, 370 

 Parathyroid hormone, 318 

 Parotid, 424 

 Parthenocarpy, 282 

 Pasture, 414 

 Peanut meal, 413 



Peanuts, 234, 411, 413 

 Pectase, 148 

 Pectic acid, 185 

 Pectin, 71, 755,245 

 Pellagra, 337, 340, 345 

 Penicillin, (109), 420 

 Pentokinases, 449 

 Pentosans, 61, dd, 69, 448 

 Pentosephosphate, (223), 449, 511 

 Pentoses, 217, 449 



Pepsin, 113, 114, 129, 136, 147, 387, 427 

 Pepsinogen, 136, 427 

 Peptidases, (150), 374, 385 

 Peptide bonds, 104, (104), 107, 108, 110, 

 111, 116, 117 



hydrolysis of, 108 



stability of, 488, 489 

 Peptide chains, 112, 113, 115, 117, 123 



in proteins. 111 

 Peptides, 96, 101, 103, iO^ ff, 116, 119, 

 297, 321, 393, 439, 463, 475, 498 



charges on, 107 



nomenclature of, 104 



occurrence of, 106 



properties of, 101 



sequence of amino acids in, 106 



synthesis of, 105 ff. Ill 

 Peptization, 44 

 Peptones, 115,428 

 Peristalsis, 425, 426, 439 

 Permeability, 15, 36, 369 

 Permutite, 260 

 Pernicious anemia, 346, 374 

 Perosis, 385, 386 

 Peroxidase, 151, 247 

 Perspiration, 481 



pH, 40 ff, 99, 117, (142), 291, 295, 298, 

 404 



optimum, for enzyme action, 142 

 Phagocytes, (294) 

 Phagocytosis, (294) 

 Phase boundaries, 46 

 Phase diagrams, 31 

 Phases, 45 



Phenylacetic acid, 109, 282, 454 

 Phenylaceturic acid, 454 

 Phenylalanine, (98), 315, 429, 466 



metabolism of, (467) 

 oj-Phenylaliphatic acids, 454 

 2-Phenylbenzopyrone, 198 

 2-Phenylbenzopyry]'um, 197 

 v-Phenylbutyric acid, 454 

 lS-Phenylpropionic acid, 454 

 Phenylpyruvic acid, 467 

 Phenylsulfate, (391) 

 Phosphatases, (149), 217, 318, 459, 472 



