of rectum, 1233 recurrens (vagi), 788 sacral, 691, 727, 735 anterior rami of, 727, 735 visceral branches of, 736 Nerve or Nerves (contd.)- muscles of little finger, 709 to shoulder-joint, from axillary, 710 from supra-scapular, 703 of skin, 858 of small intestine, 1187 spheno-palatine, 775 to sphincter ani muscle, 738, 739 pupillæ muscle, 814 spinal, 685 anterior rami of, 685 development of, 679 distribution of, general, 680, 687 to limb-muscles, 687 to skin of limbs, 687 formation of, 680 gray rami of, 680, 681 of brachial plexus, 700 of cervical plexus, 694 of lumbo-sacral plexus, 719 of pudendal plexus, 719 of sacral plexus, 719 of thoracic nerves, 714, 716, 717 morphology of rami, 681, 691, 741 origin of, 522, 528 relation of, to meninges, 686 to vertebræ, 1442, 1443 roots of, 519 anterior, 519 development of, 679 posterior, 519 development of, 679 segmental disposition of, 687 development of, 681 of lumbar and sacral nerves, 719 posterior rami of, 691 sacro-coccygeal, anterior, 738 posterior, 691 saphenous, 726 surgical anatomy of, in foot, 1465 in leg, 1463 in thigh, 1461 to scaleni muscles, 695, 697 to scalp muscles, 783 scapular, dorsal, 702 sciatic, 728 course of, 728 division of nerve to hamstrings, 728 nerve to short head of biceps, 728 surgical anatomy of, 1456 scrotal anterior, 721 of pudendal plexus, 719 of sacral plexus, 719 of thoracic, 714, 716, 717 spinosus, 778 splanchnic, 761 greater, 761, 764 lesser, 761 lowest, 761, 764 stapedius, 782 to sterno-mastoid muscle, 696, 793 from accessory, 793 of stomach, 1177 to stylo-pharyngeus muscle, 786 to subclavius, 702 of sublingual gland, 1140 of submaxillary gland, 1138 suboccipital, 688 morphology of, 691 subscapular, 713 lower, 713 1547 Nerve or Nerves (contd.)- subscapular (contd.), short, 713 supra-clavicular (descending cervical), 696 anterior, 696 middle, 696 posterior, 696 morphology of, 700 supra-orbital, 772 surgical anatomy of, 1358 variations of, 700, 752 supra-trochlear, 773 surgical anatomy of, 1358 sural, of common peroneal, 730 lateral, of posterior cutaneous nerve of thigh, 737 medial, of tibial, 732 sympathetic, 753 of taste, 598 temporal, of auriculo-temporal, 780 deep, 779 of facial, 783 topography of, 1359 to tensor fasciæ latæ muscle, 729 tympani muscle, 835 veli palatini muscle, 786, 788 tentorii, 772 to teres minor muscle, 710 thoracic, 713 anterior rami of, 713 cutaneous branches of, 714 of first, 714 of second, 714 of twelfth, 717 communications of, 714, 716, 717, 719 muscular branches of, 703 of first, 714 of second, 714 of twelfth, 717 posterior rami of, 690 cutaneous branches of, 690 first, 713 lateral anterior, 703 from tibial, 732 of tongue, 1136 of tonsil, 1149 to transversus abdominis, 484 thoracis muscle, 470 to trapezius muscle, 366 trigeminal, 771 mandibular, 778 mesencephalic root of, 601 Nerve or Nerves (contd.)- trigeminal, mesencephalic root of (contd. in pons, 602 morphology of, 796 motor root of, 601 development of, 683 morphology of, 796 nuclei of, 600 development of, 683 of mesencephalic root of, 602 in pons, 602 semilunar ganglion of, 771 sensory root of, 600 development of, 683 morphology of, 796 spinal tract of, 601 development of, 602 superficial origin of, 600, 771 trochlear, 770 communications of, 771 course of, 770 deep origin of, 602 nucleus of, 602 superficial origin of, 602, 770 tympanic, 786, 836 morphology of, 796 to ulna, 705 ulnar, 708 course of, 708 surgical anatomy of, in arm, 1448 at elbow, 1451 collateral, 711 to utricle, 785 to uvular muscle, 786 vagus, 786 abdominal branches of, 789 afferent fibres of, 596 root of, 795 cardio-inhibitory fibres of, 793 nucleus of, 597 relation of, to fourth ventricle, 551 right, in thorax, 786 roots of, 596 development of, 795 morphology of, 796 superficial origin of, 786 surgical anatomy of, 1393 termination of, in coats of stomach, 1177 in thorax, 786 viscero-motor fibres of, 793 vesical, 766 vestibular, 853 connexion of, with cerebellum, 604 deep origin of, 604 descending root of, 605 nucleus of, 604, 605 relation of, to fourth ventricle, 551 zygomatic, of facial, 773, 775 Nerve or Nerves (contd.) - zygomatic (contd.), of maxillary, 776 zygomatico-temporal, 776 Nerve-cells, 506 cellulipetal processes of, 511 of cerebral cortex, 645 ganglionic, 510 of Golgi, in cerebral cortex, 645 processes of, 528, 529, 530, 531 of Purkinjé in cerebellum, 580, 581 radicular, 528 of spinal ganglia, 685 medulla, 529 of sympathetic ganglia, 753 unipolar, 510 Nerve-components, 505 Nerve-endings, 863 free, 863 special end organs, 863 Nerve-fibres, 508 afferent, 509 collateral, 512, 534, 535 medullated, 508 myelinisation of, 509 of lateral cerebro-spinal tract, 533 of medial longitudinal fasciculus, 589 order of occurrence of, in spinal medulla, 533 of sensory, 532 neurolemma of, 508 non-medullated, 508, 754 splanchnic, afferent, 754, 760 in thoracic region, 761 754 Wallerian degeneration of, 532 Nerve-roots, 519 anterior, origin of fibres of, 528 spinal, 519 development of, 519 anterior, 519, 529 development of, 520 origin of, 529 relation of, to sympathetic, 754 posterior, 519, 533, 534, 536 development of, 520, 536 in posterior funiculus of spinal medulla, 533 relation of, to sympathetic, 754 Nervous system, 497 cerebro-spinal, 497 early stages of development, 30 elements of the, 497 of hydra, 497 Nervous system (contd.), scheme of the, 498 sympathetic, 753 Nervus, see Nerve Neural arteries, of gluteal, 938 of intercostals, 926 canal, 31 crest, 32, 500, 679 groove, 23 plate, 30 syncytium, 504 tube, 31, 33 alar lamina of, 36, 505, 682 in fore-brain, 608 in hind-brain, 552, 553, 554 in mid-brain, 592 relation of, to origin of nerves, 553, 554, 682 basal lamina of, 36, 505, 682 in fore-brain, 608 in hind-brain, 553 in mid-brain, 592 relation of, to origin of nerves, 553, 554, 682 central canal of, 564, 565 development of cerebral nerves from, 682 of spinal nerves from, 679 differentiation of, 33 ependymal layer of, 502 floor-plate of, 402, 520 germinal cells of, 35 histological differentiation of walls, 35 limiting membrane of, external, 35, 502 internal, 35, 502 mantle-layer of, 502 sulcus limitans of, 36 Neurenteric canal, 23, 26 of spinal medulla, 527 Neurolemma, 508 objections to, 504 Neuropore, 31 anterior, 31, 500 posterior, 31, 500 Neuro-tendinous spindles, 865 Nictitating membrane, 821 Nipple, 1337 Nodule of cerebellum, 571 development of, 571 Noduli aggregati of vermiform process, 1217 lymphatici aggregati, 1181 intestini recti, 1230 lienales, 1355 solitarii, 1181 valvularum semilunarium, 877 Nose, 799 ala of, 799 lateral wall of, 802 limen of, 802 lymph vessels of, 1004 mucous membrane of, 804 action of, 452 nerve-supply of, 452 nasal index of, 799 olfactory part of, 804 outer parts of, 799 piriform openings of, 163 i 1 medialis, 607 mamillaris, 615 of corpus trapezoideum, 606 development of, 552 relation of, to arcuate fibres, 560 of Deiters, 605 function of, 605 dentate, 576 dorsalis, 531 emboliformis, of cerebellum, 577 of facial, 599 fastigii, 577 fertilisation of, 20 first segmentation, 21 glossopharyngeal, 596-598 relation of, to fourth ventricle, 596 gracilis, 547 relation of, to arcuate fibres, 560 hypoglossal, 594 relation of, to fourth ventricle, 594 hypothalamicus, 614 intercalatus, 551 laryngeal, 598 of lateral lemniscus, 606 lentiform, 638 recessus spheno-ethmoidalis of, 802 septum of, 802 surgical anatomy of, 1378 veins of, 806 vessels of, 805 vestibule of, 802 Nostril, 799 Notch, acetabular, of ischium, 232 variations in, 281 cardiac, of lung, 1095 greater sciatic, of ilium, 229 mandibular, 156 pterygoid, 137 of Rivinus, 834 Notochord, 23, 24, 290 of occipital bone, 121 plane of occipital bone, 121 Nuck, canal of, 1319 Nuclear juice, 8 layer of retina, 816, 817 membrane, 8, 9 Nucleolus, 8, 9, 10 false, 8 lentis, 520 of Luys, 614 medial, of thalamus, 611 of medulla oblongata, 551 development of, 551, 592 motorius nervi trigemini, 601 olivary, accessory, 556 inferior, 556 relation of, to cerebello-olivary fibres, 556 surface elevation of, 547 superior, 567, 606 pedicle of, 606 relation of, to corpus trapezoideum, 606 to lateral lemniscus, 606 to nucleus of lateral lemniscus, 606 of optic nerve, 620 of origin, 592 of origin of cerebral nerves, 592 Obelion, 171, 285 Obex, 579 Oblique chord, 328 line, anterior, of radius, 215 external, of mandible, 155 Oblique line of tibia, 249 Occipital angle of parietal bone, 119 arteries, 895 bone, 120 architecture of, 270 basilar part of, 123 ossification of, 124 cerebral surface of, 121 ossification of, 124 connexions of, 124 plane of, 121 relation of, to sutures, 165, 171 ossification of, 124 variations in, 277 condyles, 122, 182 crest, external, 121 internal, 121, 182 fontanelle, 293 topography of, 1360 lymph glands, 998 nerves, 688-690 plane, 118 point, 183, 285 protuberance, external, 121, 178 internal, 121, 182 sinus, 183, 974 abnormalities of, 1058 sulcus, 661 triangle, 1395 vein, 965, 967 Occipito-atloid joint, 309 movements at, 311 ligaments, 310 Occipito-epistropheal ligaments, 311 connexions of, 604 splanchnic efferent nucleus of, 604 sulcus, 603 Oculo-nasal sulci, 49 processes of, 1247 Esophageal arteries of aorta, 925 of coronary, 929 of inferior thyreoid, 611 opening of diaphragm, 473 Esophagus, 1150 vein of Marshall, 960 Obliquus externus abdominis muscle, 476 inferior, of neck, 444 internus abdominis muscle, 478 superior muscle of neck, 444 of orbit, 453 action of, 454 nerve-supply of, 454 Obliterated umbilical artery, 936 Obstetrical paralysis of Duchenne, 1395 abnormalities of, 1057 canal, 338 externus muscle, 413 action of, 414 nerve-supply of, 414 fascia, 489 foramen, 234 abnormalities of, 281 internus muscle, 418 nerve-supply of, 418 membrane, 338 nerve, 722 abdominal part of, 1152 |