Notch, acetabular, of ischium, 232 variations in, 281 cardiac, of lung, 1095 greater sciatic, of ilium, 229 intercondylic, of femur, 243 mandibular, 156 Notochord, 23, 24, 290 of occipital bone, 121 plane of occipital bone, 121 Nuck, canal of, 1319 layer of retina, 816, 817 Nucleolus, 8, 9, 10 false, 8 of orbit, 453 action of, 454 nerve-supply of, 454 Obliterated umbilical artery, 936 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 nuchal lines of, 121 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 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 action of, 418 nerve-supply of, 418 membrane, 338 nerve, 722 of coronary, 929 of inferior thyreoid, 611 Esophagus, 1150 abdominal part of, 1152 topography of, 1449 Olfactory area, 500, 622 bulb, 622, 623 development of, 622 structure of, 623 bundle, 627 cells, 805 cleft, 1378 ganglion, 622 morphology of, 622 glands, 804 glomeruli, 623 groove, 140, 141, 179 lobe, 624 development of, 624 relation of, to anterior cerebral commissure, 626 nerve, 767, 768, 805 central connexions of, 623 development of, 682 neurones, 625 organ, 799 for receptive impressions, 625 pits, 49, 682 sulcus, 666 tract, 622, 623 development of, 622 structure of, 623 triangle, 623 tubercle, 623 Oligolecithal ovum, 14 Olive of medulla oblongata, 547 Omentum, 1162 gastro-colic, 1162 development of, 1253 of first order, 12 of second order, 15 Oogonia, 12, 15 Oolemma, 13 Opening of subarachnoid part of brain, Opercula insulæ, 655 1362 orbital, 655 superior, 655 temporal, 655 Ophryon, 285 Ophthalmic artery, 902 abnormalities of, 1054 nerve, 772 morphology of, 797 veins, 968 Opisthion, 178, 183 Opponens digiti quinti giti qu muscle, 393 nerve-supply of, 394 Opponens pollicis muscle, 392 relation of, to omental bursa, 1239 greater, 1162, 1241 development of, 1253 functions of, 1242 relation of, to duodenum, 1186 to omental bursa, 1239 lesser, 1162, 1197, 1241 development of, 1253 relation of, to omental bursa, 1239 Omo-hyoid muscle, 459 action of, 394 nerve-supply of, 394 Ontogeny, 1 action of, 393 nerve-supply of, 393 Optic axis, 807 chiasma, 541, 619 decussation in, 769 development of, 609, 682, 826 morphology of, 798 commissure, 619 cup, 682, 826 of optic disc, 815 disc, 815 foramen, 180 abnormalities of, 278 groove, 135 nerve, 541, 768 deep connexions of, 620 development of, 33, 609, 682 morphology of, 798 papilla, 815 in retina, 816 radiation, 620, 643, 658 stalk, 682, 825, 826 morphology of, 798 tract, 541, 619 central connexions of, 619 vesicle, 825 pigmentary layer of, 825 Ora serrata, 815 structure of, 815 Oral part of the pharynx, 1144, 1145 Orbicularis oris muscle, 450 action of, 452 Orbiculus ciliaris, 812 Orbit, 160, 162 muscles of, 452 action of, 454 morphology of, 496 nerve-supply of, 454 roof of, 160 Orbital artery of middle meningeal, 898 of superficial temporal, 897 Orbital (contd.), fossa, 160 gyri, 666 sexual differences in, 193 septum, 822 Orbito-maxillary-frontal suture, 279 epibranchial, 796, 797 of lateral line, 796 of Ruffini, 865 of senses, 799 of taste, 854 vomero-nasal, of Jacobson, 802 Orifice, aortic, 878 topography of, 1405 external, of uterus, 1316 pulmonary, 878 topography of, 1405 topography of, 1405 Origin of muscles, 364 morphology of, 295 carpal, 280 centrale, 280 morphology of, 295 clitoridis, 1326 cordis, 876 coxӕ, 228 cuneiforme, first, 261 second, 262 ethmoidale, 139 extremitatis inferioris, 228 superioris, 197 faciei, 146 fibulare, 295 hamatum, 221 surface anatomy, 1451 variation in, 280 hyoideum, 158 282 occipitale, 120 articulations of, 840 movements of, 842 epipteric, 146 of Kerkring, 124 Ossification of bones, 84 of laryngeal cartilages, 1065 Osteoblasts of bone, 85 descriptive terms of, 82 Ostium abdominale tubæ uterinæ, 1314 pharyngeum tubæ auditivæ, 837, 838 uterinum tubæ, 1315 Otic ganglion, 781 branches of, 781 development of, 684, 796 roots of, 781 vesicle, 51, 853 Otoconia, 847 Ovarian artery, 928 fossa, 1312 abnormalities of, 1058 morphology of, 1048 Ovary, 1311 bursa of, 1318 connexions of, 1312 corpora albicantia of, 1313 of arm, 381 of back, 439 of buttock, 418 of face, 452 of foot, 425 of forearm, 400 of hand, 400 of hyoid bone, 460 of iris, 814 of leg, 435 of lower limb, 718 of mastication, 457 of orbit, 454 of pectoral region, 369 of pelvis, 494 of perineum, 489 of pinna, 830 prevertebral muscles, 470 of shoulder, 375, 376, 377 of soft palate, 786, 788 of thigh, 418 of thorax, 474 of tongue, 463 between trunk and upper limb, 372 perforans coccygeus major, 738 perforating cutaneous, 737 of upper limb, 700 pericardiac, 791 perineal, 737 of fourth sacral, 738 of posterior cutaneous nerve of thigh, 737 superficial, 739 to perineal muscles, 739 peripheral, development of, 679 peroneal anastomotic ramus, 730 peroneal, deep, 730 superficial, 731 to peroneus brevis, 731 longus, 731 petrosal, deep, 758, 777 |