Part 236

Atlanto-occipital articulation, 176 membrane, inferior, 176 superior, 176

Atlas, 33, 34 of dog, 150 of ox, 112 of pig, 147

Atrio-ventricular groove of heart, 527 opening in left atrium, 530 in right atrium, 530 left, of ventricle, 533 right, of ventricle, 531

Atrium of heart, 529 left, 530 right, 529 openings in, 529 sinus of, 529 ventriculi of ox, 393

Auditory canal, external, 747, 748 meatus, external, 56, 748 internal, 56, 759 nerve, 686 ossicles, 754 process, external, 56, 67 tube, 755

Auricle of horse, 747

Auricular artery, anterior, 550 of dog, 635 of pig, 627 posterior, 550 of ox, 611 branch of vagus, 687 cartilage, 748 lymph gland of dog, 643 muscles, 749 of dog, 780 of ox, 774 nerve, 685 posterior, 695 vein, 588

Auriculopalpebral nerve, 685 of dog, 729 of ox, 717

Axillary artery, 556 ligament of Helmholtz, 755 lymph glands, 605 of dog, 643 of ox, 625 of pig, 631 nerve of horse, 697

Axis, 34 development of, 35 lentis, 747 of dog, 150 of ox, 112 of pelvis, 97 of ox, 133 of pig, 137 optic, 740

Azygos uvulæ, muscle of, 333

Back, fasciæ of, 235 superficial, 235 muscles of, 235 of dog, muscles of, 325 of ox, muscles of, 300

Back of pig, muscles of, 313

Ball-and-socket joint, 172

Bands, longitudinal, of cæcum, 364 muscular, of great colon, 368

Bars of hoof, 764

Bartholin’s ducts of mare, 515 glands of cow, 519

Basi-cornual articulation, 180

Basihyoid bone, 64

Basilar artery, 546 plexus, 592 venous, 592 process, 48 of third phalanx, 91

Basis pedunculi, 664

Belly of muscle, 212

Biceps brachii, 259 of dog, 322 of pig, 314 femoris muscle, 278 of dog, 326 of ox, 306 of pig, 316 rotator tibialis, 280 of ox, 302

Bicipital artery of dog, 635 bursa of horse, 259 groove of humerus, 79 tuberosity of radius, 81 of scapula, 77

Bicuspid valve, 533

Bifurcation of trachea, 449

Bile-duct, common, of sheep, 410 of dog, 431 of ox, 398 of pig, 419, 422

Bipennate muscle, 212