Occipital bone, ossification of, 109 
tabular part of, 106, 110 
variations in, 109 
condyle parts of, 106, 108, 109 
condyles, 108, 109, 161 
third, 77, 109 
crest, external, 106 
internal, 107, 166 
lobe, 523, 1162 
lymphatic glands, 864 
nerves. See Nerve 
protuberance, external, 106, 150, 154, 161 
internal, 107, 165 
sinus, 841, 904 
sulcus. See Sulcus 
triangle, 1184 
vein, 831, 834 
Occipito-atloid joint, 258 
movements at, 372 
ligaments, 258 
Occipito-axoid ligaments, 258 
Occipito-frontal strand, 549 
Occipito-frontalis muscle, 375, 378 
Occipito-mastoid suture, 148, 161 
Occipito-temporal gyri, 525, 526 
suleus, 525 
Oculo-motor nerve, 634, 635, 657, 659 
sulcus, 491 
Oculo-nasal sulei, 39 
Odontoblasts, 974, 975, 976, 978 
Odontoid ligaments, 259 
process, 77, 89, 90 
(Esophageal arteries, 778, 794, 795, 892 
groove of liver, 1062 
opening of diaphragm, 396 
orifice of stomach, 1005 
plexus, 649, 653, 990 
(Esophagus, 943, 988 
abdominal portion of, 990 
cervical portion of, 989, 1183 
constrictions of, 989, 991 
development of, 992 
diaphragmatic division of, 990 
glands of, 992 
relations of, 989, 990 
structure of, 991 
surgical anatomy of, 1192, 1196 
thoracie part of, 989 
variations in, 991 
vessels of, 992 
Olecranon fossa, 188 
process, 189, 193, 1203 
Olfactory area, 551 
bundle, 531 
bulb, 528, 545, 634, 661 
cells, 680 
cleft, 1175 
ganglion, 656, 661 
groove, 126, 164 
hairs, 680 
lobe, 443, 528, 547, 554 
lobule, 528 
nerve. See Nerve 
pits, 38 
sulcus, 520, 528 
tract, 528, 545, 634 
tubercle, 528 
Oligolecithal ovum, 11 
Olivary eminence, 119, 164, 448, 458 
nucleus. See Nucleus 
Olive, 448. See also Nucleus, olivary 
Omental tuberosity of liver, 1063 
INDEX. 
1285 
Omental tuberosity of pancreas, L075 
Omentum, 999 
gastro-colic, 999 
gastro-hepatic, 999, 1066 
gastro-splenic, 999, 1007, 1049, 1052, 1057, 
1151 
great, 999, 1005, 1007, 1015, 1032, 1049, 1053, 
1054, 1056, 1057 
small, 999, 1005, 1007, 1015, 1052, 1053, 
1056, 1065, 1066, 1073 
Omohyoid muscle, 384, 387, 388 
| Ontogeny, | 
| Oolemma, 10, 11 
| Oosperm, 16 
Opercula insulee, 514, 515, 516, : 
Ophryon, 173 
Ophthalnie artery, 770, 900 
nerve, 637, 660 
veins, 835 
Opisthion, 161, 166, 174 
Opisthotic portion of temporal bone, 117 
Opponens minimi digiti muscle, 329, 334, 336 
pollicis muscle, 329, 334, 336 
Optic axis, 682 
chiasma, 440, 510, 552, 634, 657, 661 
commissure, 440, 510, 552, 634, 657, 661 
cup, 656, 661, 689 
disc, 689 
foramen, 120, 145, 164 
groove, 119 
nerve, 510, 633, 656, 661, 689, 698, 699 
radiation, 511, 542, 549 
stalk, 442, 656, 661, 698, 699 
thalamus. See Thalamus 
tract. See Tract 
vesicle, 442, 445, 698 
Ora serrata, 689, 692 
Orbicular ligament, 274 
Orbicularis oris muscle, 377, 378, 946 
palpebrarum muscle, 376, 378 
Orbiculus ciliaris, 687 
Orbit, 144, 171, 175 
fascia of, 378 
muscles of, 378, 380, 413 
veins of, 834 
Orbital artery, 765, 766 
canal, 146 
gyri, 520 
index, 175 
margin, 100, 101, 132, 172 
nerves, 640, 641 
plate, 102, 125, 145, 146, 147, 164 
process of malar bone, 132 
of palate bone, 137, 138, 146 
septum, 696 
sulcus, 520 
wings of sphenoid, 120, 145 
Orbito-maxillary frontal suture, 126 
_ Orbito-nasal centre, 131 
Orbito-sphenoids, 123, 176 
| Orbito-tarsal ligaments, 1174 
Organ of Corti, 720, 721. See also Corti 
epibranchial, 659, 660 
ot Jacobson, 678 
of lateral line, 659 
of Rosenmiiller, 1128 
Origin of muscles, 306 
Oro-glossus muscle, 1176 
Orthocephalie skulls, 174 
Orthognathous skulls, 175 
Os calcis, 236, 241, 245, 1218 
centrale, 202 
