. The anatomy of the domestic animals. Veterinary anatomy. 168 SKELETON OF THE PIG bone. The lateral part (Planum temporale) faces outward and is more extensive; it is concave, forms a large part of the temporal fossa, and is overlapped ventrally by the squamous temporal. The parietal crest extends in a curve from the nuchal crest forward and outward to the supraorbital process. The cerebral surface is con- cave and is marked by digital impressions. The ventral border projects into the cranial cavity and forms a crest which separates the cerebral and cerebellar compart- Squamous part of occipi
. The anatomy of the domestic animals. Veterinary anatomy. 168 SKELETON OF THE PIG bone. The lateral part (Planum temporale) faces outward and is more extensive; it is concave, forms a large part of the temporal fossa, and is overlapped ventrally by the squamous temporal. The parietal crest extends in a curve from the nuchal crest forward and outward to the supraorbital process. The cerebral surface is con- cave and is marked by digital impressions. The ventral border projects into the cranial cavity and forms a crest which separates the cerebral and cerebellar compart- Squamous part of occipital bone Occipital condyle Paramastoid process {tip) Fig. 17S.—Skull 1, Hypoglossal foramen; 2, fora sphenoid; (i, pterygoid bone, and 6', hainul bone; 9, pterygoid process of palatine bone. Basilar part of occipital bone Mastoid process X Temporal condyle Maxillary recess Zygomatic process of malar bone Maxilla Premolar teeth .NDIBLE AKD HTOID. 3, foramen lacerum posterius; 4, bulla ossea; 5, body of 8, horizontal, and 8', perpendicular, part of palatine 10, pterygoid process of sphenoid bone; II, supraorbital process: 12, or- bital opening of supraorbital canal; 13, choanae ( palatine fissure. ? posterior nares; 14, 14', anterior palatine foramen and groove: 15, ments laterally. The interior is excavated and forms part of- the frontal sinus in the adult. There is no temporal canal. The frontal bone is long. The frontal surface slopes downward and forward, the inclination varying in different subjects. The anterior part is concave and is marked liy the supraorbital foramen and the groove leading forward from the foramen to the nasal bone. The supraorbital canal opens into the orbit at the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sisson, Septimus, 1865-1924. Philadelphia, London, W. B. Saunders Com
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