Lab 19 - Image 5

The massive equine masseter muscle (1) attaches to the facial crest (2). All labeled teeth are keyed to their triadan numbers. 3, 303; 4, 404; 5, 306; 6, 307; 7, 208; 8, 309; 9, infraorbital foramen; 10, nasoincisive notch (a palpable landmark); 11, nasal bone; 12, supraorbital foramen (site of an ophthalmic block); 13, zygomatic process of the frontal bone; 14, coronoid process of the mandible; 15, paracondylar process; black asterisk, temporomandibular joint (TMJ); blue asterisk, mastoid process of the temporal bone (insertion of sternomastoideus and cleidomastoideus tendons).