472 



SUBJECT INDEX 



Janthina janthina, 136 



Janus green B, 183 



Junctional potentials {see Excitatory junc- 

 tional potential, E.p.s.p. ; Inhibitory junc- 

 tional potential, I.p.s.p.) 



42 K, 116ff., 121, 132, 313 



K+ conductance, 9, 1 1 



K+ concentration, effect of alteration of, 88, 



90, 136ff., 313 

 K+ distribution, 314 

 K+ flux during i.p.s.p., 81, 82, 83 {see also 



116ff., 313ff). 



Labelled lines, 397, 398 



Lactic acid, depolarizing action, 185 



Lamellibranch hearts, 142 



Latent pause, 153, 168 



Lateral funiculus, 41 



Lateral inhibition, 67 



Leucophaea, 451, 452, 456 



Lementina imbricata, 136 



Lengthening reaction, 25, 26 



Limbs, transplanted, 42 



Limilus eye, 4, 5, 67, 137, 210, 242ff"., 324, 



331, 336, 399 



eccentric cell, 5, 326, 328, 329 



structure of, 242ff. 



final path neuron, 330 



heart, 137 

 Lipochondria, 183, 196, 200, 223, 225 

 Lobster, 92, 97, 99, 105, 108, 144, 148, 149, 



151, 173, 174, 176, 177, 285ff., 293 {see 



also Homanis, Paliininis, Panulinis) 



muscle fiber, 92ff"., 105, 107 

 action of K+ and Cs-, 99 

 Local transmissional sites, 98 

 Locust, 403 



Long lasting facilitation, 167 

 Loplniis, spikes in neurosecretory cells, 337 

 Lutraria maxima, 137 



Method of persisting elements, 32, 35 



Methylene blue, 196, 214, 215, 225, 386 



Metrazol, 371, 372, 382, 385 



Mice, 389 



Midbrain, 38 



Miniature postsynaptic potentials, 90, 97 



{see also Miniature potentials; Prepo- 



tentials) 

 Miniature potentials, 197 

 Model nervous system, 32, 41, 42 

 Modifications of acetylcholine molecule, 137 

 Mollusc heart, effect of acetylcholine, ions, 



136ff. 



inhibition, 136ff. 



nervous pacemaker, 137 

 Monistic view of inhibition, 21 

 Monkey {Macaca), 410ff. 

 Monocarboxylic aminoacids, 344 

 Monochromatic activation of nerve cells, 



20 Iff. 

 Monosynaptic reflex, 20, 25 

 Monosynaptic inhibitory pathway, 50 

 Monosynaptic system, spinal cord, 25 

 Motoneuron membrane, 71 

 Motor axons, specific inhibitory endings of, 



3 

 Motor cortex, 382 

 Motor units, 144 

 Miirex trunculus, 137 

 Muscle spindle, 25, 29, 62, 64, 291, 326 

 Muscular afferent neurons, 40 

 Muscular pacemaker, 137 

 Mya, 139,402 

 Mya arenaria, 138 

 Myotatic reflex, 25, 27 

 Myotatic reflex, pathways, 21 

 Myotatic unit, 26 

 Mytilus, 139 



Mvtilus Californiamis, 138 

 Mytolon, 137, 138 



Macaca mulatta, 41 Off. 



Mach bands, 275 



Mach pattern, 274 



Mactra, pigmented pallia! nerve, 210 



Mg+, 138 



Maia, pericardial organs, 173 



Malapterwus, electroplaques, 333 



Mammalian cortex, 102 {see also Neocortex) 



Mantis, 404 



Mautner cells, 5, 6, 12, 22 



Measurements of central latency, 50 



Mechanism of infra-red inhibition, 222 



Medial longitudinal fasciculus, 37, 38 



Membrane resistance, 101, 132, 329 



Mesencephalic tract of trigeminus, 33 



Na+ conductance, 8, 1 1 



Na--K+pump, 82 



Negative feedback control, 27 



Neocortex, neuropile, ontogenetic develop- 

 ment, 424ff. 



Neocortical neuropile, morphology, 426ff. 



Nereis, 407 



Nerve net, model of, 395 



Nervous pacemaker of mollusc heart, 137 



Nervous system, models, 32 



Net depolarizing current, 62 



Neurin hypothesis, 20 



Neuro-endocrine systems, inhibition in, 

 447ff. 



Neurogenic heart (Crustacea), 144ff". 



