1552 



INDEX. 



(Esophagus, cervical (contd.), surgical anatomy 



of, 1393 



constrictions of, 1151 

 development of, 45, 1249 

 diaphragmatic part of, 1152 

 distensibility of, 1407 

 glands of, 1155 

 relations of, 1151, 1152, 1153 

 structure of, 1153 

 surgical anatomy of, 1407 

 thoracic part of, 1152 

 variations in, 1153 

 vessels and nerves of, 1155 

 Olecranon, 210 

 fossa, 208 



topography of, 1449 

 Olfactory area, 500, 622 

 bulb, 622, 623 



development of, 622 



morphology of, 622 



structure of, 623 

 bundle, 627 

 cells, 805 

 cleft, 1378 

 ganglion, 622 



morphology of, 622 

 glands, 804 

 glomeruli, 623 

 groove, 140, 141, 179 

 hairs, 805 

 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 

 Olivary nucleus, 555 

 Olive of medulla oblongata, 547 

 Omental bursa, 1162, 1238 

 tuberosity of liver, 1193 



of pancreas, 1206 

 Omentum, 1162 

 gastro-colic, 1162 

 gastro-hepatic, 1162 

 gastro-splenic, 1162 



development of, 1253 



relation of, to omental bursa, 1239 

 greater, 1162, 1241 



development of, 1253 



functions of, 1242 



relation of, to duodenum, 1186 

 to omental bursa, 1239 

 to transverse colon, 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 



Oocyte, 12 



of first order, 12 

 of second order, 15 

 Oogonia, 12, 15 

 Oolemma, 13 

 Opening of subaraclmoid part of brain, 



1362 



Opercula insulae, 655 

 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 muscle, 393 

 action of, 394 

 nerve -supply of, 394 

 Opponens pollicis muscle, 392 

 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 

 recess, 618 

 stalk, 682, 825, 826 



morphology of, 798 

 tract, 541, 619 



central connexions of, 619 

 cortical connexions of, 620 

 vesicle, 825 



pigmentary layer of, 825 

 Ora serrata, 815 



structure of, 815 



Oral'part of the pharynx, 1144, 1145 

 Orbicularis oculi muscle, 450 

 Orbicularis oris muscle, 450 

 action of, 452 

 nerve -supply of, 452 

 Orbiculus ciliaris, 812 

 Orbit, 160, 162 

 fascia of, 452 

 floor of, 162 

 lateral wall of, 162 

 medial wall of, 163 

 muscles of, 452 

 action of, 454 

 morphology of, 496 

 nerve-supply of, 454 

 roof of, 160 

 veins of, 968 



Orbital artery of middle meningeal, 898 

 of superficial temporal, 897 



