Part 278

Sinus or sinuses, cavernous, 592 coronary, 585 opening of, 529 cutis, 761 ethmoid, of horse, 74 frontal, of dog, 161 of horse, 55, 73 of ox, 125 of pig, 145 lacrimal, of ox, 126 lactiferous, of cow, 521 longitudinal, superior, 591 maxillary, inferior, 73 of dog, 161 of horse, 72 of ox, 126 of pig, 146 superior, of horse, 73 occipital, 591 of aorta, 536 of dura mater, 541 of right atrium of heart, 529 of Valsalva, 536 palatine, of maxilla of ox, 120 of ox, 126 paranales of dog, 432 paranasal, of horse, 72 petrosal, inferior, 592 superior, 591 phrenico-costalis, 456 pyriform, of horse, 350 rectus, 581 renal, of horse, 470 sagittal, 591 sphenoidal, of horse, 50 of ox, 127 of pig, 146 sphenopalatine, 60 of horse, 50, 74 straight, 591 tarsi of horse, 105 tonsillaris of ox, 385 transverse, 591 urogenital, of mare, 514 venosus scleræ, 741

Sixth nerve, 683

Skeletal muscle, 211

Skeleton, 19 appendicular, 19 axial, 19 flat bones, 19 irregular, bones, 19

Skeleton, long bones, 19 medullary cavity, 19 number of bones, 19 of dog, 150 of horse, 31 of ox, 112 of pig, 136 short bones, 19 splanchnic, 19

Skin, appendages of, 762 of dog, 780 of horse, 761, 764 of mammary glands of mare, 516 of nostrils of horse, 436 of ox, 775 of pig, 778 of prepuce of horse, 497 of sheep, 777

Skull, bones of, 27 of dog, 153 of horse, 47 of ox, 115 of pig, 139 of dog, 159, 160 of horse, 47, 65 apex of, 69 articulations of, 179 cranial region, 68 frontal region of, 66 guttural region, 68 middle fossa of, 71 palatine region, 68 parietal region of, 66 posterior fossa of, 71 superior curved lines, 69 sutures of, 179 synarthroses of, 179 synchondroses of, 180 of ox, 115, 123 of pig, 144

Smegma præputii of horse, 497

Smell, organ of, of horse, 772

Snout of pig, 464

Soft palate of dog, 424 of horse, 332 of ox, 384 of pig, 411

Solar plexus, 713

Sole matrix, 769 of horse, 765 sensitive, 769

Soleus muscle of horse, 292 of ox, 311 of pig, 317

Solitary glands of rectum, 370 of small intestine, 363 of pig, 420

Space, interalveolar, 58, 69 interdental, of horse, 58 interosseous, of forearm, 80 submaxillary, of horse, 62

Spatia anguli iridis, 744 zonularia, 747

Spatium perichorioideale, 742

Special anatomy, 17

Spermatic artery, 571 of dog, 639 of horse, 487, 489 of ox, 618 of pig, 628 cord, lymphatics of, 489 of dog, 506 of horse, 489

Spermatic cord of ox, 500 of pig, 504 nerve, external, of horse, 704 plexus, 714 of horse, 487 veins, 596 of horse, 487, 489

Spheno-frontal suture, 55

Sphenoid bone of dog, 156 of horse, 50 of ox, 115 of pig, 141

Sphenoidal notch of horse, 55 sinus of horse, 50 of ox, 127 of pig, 146

Spheno-occipital crest, 51

Sphenopalatine artery, 555 foramen, 58, 60, 67, 71 ganglion, 711 nerve of dog, 728 of horse, 679 sinus, 60 of horse, 50, 74 vein, 589

Spheno-squamous suture, 56

Sphincter, 211, 213 ani externus of horse, 371 internus of horse, 371 cardiac, of horse, 359 of bladder of horse, 476 of mammary gland of cow, 521 of mare, 516 of uterus of mare, 513 pupillæ, 744 pylori of horse, 358, 359