. The anatomy of the domestic animals . Veterinary anatomy. 50 THE SKELETON OF THE HORSE Its lower part is perforated centrally by a large, almost circular opening, the foramen magnum (Foramen occipitale magnum), at which the cranial cavity and vertebral canal join. The foramen is bounded laterally and dorsally by the lateral parts of the bone, and ventrally by the basilar part. Above the lateral partsââ but not entering into the formation of the foramen magnumâis the squamous part. The lateral parts (Partes laterales)i bear the occipital condyles (Condyli oc- cipitales), which articulate with
. The anatomy of the domestic animals . Veterinary anatomy. 50 THE SKELETON OF THE HORSE Its lower part is perforated centrally by a large, almost circular opening, the foramen magnum (Foramen occipitale magnum), at which the cranial cavity and vertebral canal join. The foramen is bounded laterally and dorsally by the lateral parts of the bone, and ventrally by the basilar part. Above the lateral partsââ but not entering into the formation of the foramen magnumâis the squamous part. The lateral parts (Partes laterales)i bear the occipital condyles (Condyli oc- cipitales), which articulate with the atlas. The condyles are obliquely placed, wide apart dorsally, and separated ventrally by a small interval (Incisura inter- condyloidea). The articular surface is curved so sharply in the dorso-ventral Occipital Parietal Squamoxts temporal 4- Lacrimal Maxilla Nasal. Fig. 28.âSkull of Horse, Right View. 1, Occipital condyle; 2, paramastoid process; 3, mastoid process; 4, posterior process of squamous temporal bone 5, external acoustic process; 6, zygomatic process of temporal bone; 7, postglenoid process; 8, glenoid cavity of squamous temporal bone; 9, condyle of same; 10, supraorbital process of frontal bone; 11, temporal part of frontal bone; 12, orbital part of frontal bone; i5, fossa sacci lacrimals; i.^, orbital surface of lacrimal bone; ^5, lacrimal tubercle; 16, zygomatic process of malar bone; i7, maxillary tuberosity; i5, facial crest; iP, infraorbital foramen; jSO, naso-maxil- lary notch; 21, body of premaxilla; 21', nasal process of same; 22, body of mandible; 23, mental foramen; 24, 25 horizontal and vertical parts of ramus of mandible; 26, condyle of mandible; 27, coronoid process of mandible; 28 angle of mandible; 29, vascular impression; 30, interalveolar margin; 31, incisor teeth; 32, canine teeth; 33, hyoid bone (great cornu). direction as to form a blunt ridge. The cranial surface is concave and smooth. Lateral to the condjde is the paramastoid process
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