[ 99 2 



HANDBOOK. OF PHYSIOLOGY 



NEIKOI'HYSIOLOGY III 



Intii neuron 



definition 

 Intra-abdominal pressure 



bladder pressure and, 1210 

 Intracranial fluids 



blood-aqueous fluid barrier, 1770- 



'77= 



blood-brain barrier, 177^-1774 

 blood-cerebrospinal fluid barrier, 



'772-1773 

 chemical composition, 1768- 1770 

 composition compared to intraocular, 



1760 

 osmotic work during formation, 1 769 

 pressure, 1781 

 species differences, 1781 



Intraocular fluid 



see also Aqueous humor; Blood- 

 aqueous fluid barrier 

 chemical composition, 1768- 1770 

 composition compared to intracranial, 



'769 



osmotic work during formation, 1769 



pressure, 1781 



amyl nitrite, 1 782 

 epinephrine and, 1782 

 nervous influences, 1 783 

 nitrogen mustard, 1782 



species differences, 1781 

 Intrinsic systems: see Korebrain, intrinsic 



systems 

 [nulin 



as measure of extracellular space, 1868 

 Invertebrates 



see also Annelids; Arthropods; Ceph- 

 alopoda; Coelenterates; Crustaceans; 

 Gastropods; Insects, Molluscs, 

 Multicellular Organisms, Pelecy- 

 pods; Unicellular Organisms 



axon conduction, 1 1 1 



ehemoreceptors in, 375 



color vision, 640 



form perception, 641 



hearing, 38 1 



hypothalamic-pituitary system, 1058 



uiei hanoceptors, 380 



muscle 



iction, 250 

 end-plate potentials, 243 

 responses, 174 



neurosecretion, I 057- 1 060 



nonphotic receptors, 369 

 pattern recognition, 64 1 

 I'm kinje shift, fi.pi 

 nil ptoi 1 ells in, 37 1, 375 

 response to dynamic stimuli, 382 

 response to static stimuli, 38a 

 sense organ o impared v> ith ■ 

 bi.it. 



1 11. il sensitb, ity, 6 1" 

 squid axon as cable 

 st.ct. 11 % sis in. 38a 



stretch receptors 



efferent control of, 743 

 tactile sense, 380 

 thermoreceptors, 379 

 true receptors, 371 

 tympanal organs, 382 

 vibration sense in, 380 



Iodine 



deficiency, neural function and, 1896 

 lodoacetic acid 



central nervous system metabolism in 

 vitro, 1838 

 Iodopsin 



see also Visual pigments 



bleaching and resynthesis, 687 



photopic sensitivity and, 682 

 Ionic hypothesis, 62-65, 93> 94> ' '8, ' '9 



explanation of properties of nerve 

 libers, 64 



refractory period and, 64 



synaptic transmission and, 63 

 Ionic pump 



Na, K concentrations and, 60, 62 



adrenergic transmitter and, 224 



removal of catecholamines and, 227 

 Iris 



contact with aqueous humor, 1767 

 Ischemia 



pain and, 463, 474 



resistance of nerve fibers to, 395 



thermal receptors and, 442, 443, 453 

 lsopropyl isonicotinyl hydrazine: see 



Iproniazide 

 Isopropylnorepinephrine 



see also Adrenergic transmitter, Cate- 

 cholamines; Dopamine, Lpi- 

 nephrine; Norepinephrine; Trans- 

 mitter substance 



as adrenergic transmitter, 229 

 Itching 



see also Pain 



as related to pain, 498, 499 



intracisternal injection of drugs and, 



499 

 intraventricular injection of drugs and, 



499 



Joint receptors 



central effects of, 1070 



central projection, 41 3 



discharge patterns of, 41 1 



Kiilhnt type endings. 412 

 Joints 



innervation of, 4.1 1— 415 



Kinesthesia, 388-390, 395 u , 

 central neurons for, 414 

 definition, 388 



ill'-! 1 l|lt|n|| III !' "| 



eye movements and, 1 106 

 invertebrate receptors for, 376-370 

 joint receptors and, 1 1 > 



muscle stretch receptors, 410 



postcentral fields and, 423 



sites of receptors, 410 

 Kinesthetic discrimination 



ablation studies and, 1456 



central representation, 1462 



space discrimination and, 1462 

 Kinesthetic systems, 387-426 



central classification, 396 



central representation, 395 

 Kluver-Bucy syndrome 



anatomical areas responsible, 1539 



description, 1538 

 Krause end bulbs 



as cold receptors, 434 

 Kwashiorkor 



neural function in, 1894-1895 



Labyrinth: see Vestibular mechanism 

 I.abvrintheetoinv 

 compensation, 562 

 effects of, 561 

 species differences, 362 

 Labyrinthine reflexes 



see also Postural reflexes; Righting 



reflexes; Tonic neck reflexes 

 decerebrate rigidity and, 786 

 Lactation 



interrelation of pituitary lobes in, 1021 

 Lactogenic hormone 

 secretion 



oxytocin and, 1014 



pituitary stalk section and, 1021, 



1022 

 transplantation and, 1021, 102a 

 1 .arynx 



neuroeffector for speech, 1714 

 lateral lemniscus: tee Central auditory 



function 

 Latency 



explanation, 163 



factors determining, 166 

 I .athyrism 



description, 1904 

 Law of constancy 



definition. 1648 

 1 ..iu of denervation 



statement, <i<u 

 I ,.iw .if the retinal image 



definition, 1648 

 Learning 

 see «/-n Audition. Somesthetic discrimi- 

 nation; Visual discrimination 

 ablation studies, 1476 1480 

 alpha waxes and, 1579 



.11 rangements, 



attention, 1493 



in .mi stimulation, 1 i!>i 1 (87 



cortical evoked potentials and, 1481 



discriminative, alil.it ion studies of, 1 477 



during sleep. 



1 11 r< lati s 1480 1 (Ji 1 



I 1 ■ . 





Volume 11 pog€i J&i 1 .//" 



Volume III panes ijji-i()66 



