. The anatomy of the domestic animals . Veterinary anatomy. THE SKULL 159 Ti'iiipordl crest Cvroniiid process Frontal hone Orbit Supraorbital foramen Inr bone lacrimal bons since the basal lamella of the ventral turbinate bone curves ventro-medially, joins the palatine bone, and is separated only by a narrow hiatus from the nasal plate of the palatine process of the maxilla. The anterior palatine foramen is at the trans- verse palatine suture. The anterior end of the palatine process tapers to a point. The maxillary sinus resembles that of the ox, but is relatively small. The premaxilla has a
. The anatomy of the domestic animals . Veterinary anatomy. THE SKULL 159 Ti'iiipordl crest Cvroniiid process Frontal hone Orbit Supraorbital foramen Inr bone lacrimal bons since the basal lamella of the ventral turbinate bone curves ventro-medially, joins the palatine bone, and is separated only by a narrow hiatus from the nasal plate of the palatine process of the maxilla. The anterior palatine foramen is at the trans- verse palatine suture. The anterior end of the palatine process tapers to a point. The maxillary sinus resembles that of the ox, but is relatively small. The premaxilla has a narrow and pointed body. The palatine process is ex- tremely narrow in front and is grooved laterally. The palatine fissure is long and narrows to a very acute angle behind. The palatine bone resembles that of the ox, but there is no air-cavity in its horizontal part. The spheno- palatine foramen is large and Occipital bone Parietal hone oval. The pterygoid bone is very broad above and narrow below, where it ends in a sharp- pointed hamulus. The nasal bone tapers to a point at its anterior end, which is not notched. The facial part of the lacrimal bone has an elongated quadrilateral outline; in front of the orbit it forms, with the adjacent part of the malar, the external lacrimal fossa (Fossa lacrimalis externa) which lodges a cutaneous cul-de-sac known as the infraorbital or lacrimal pouch. The bone here may be more or less cribriform. The lacrimal bulla is relatively small, is usually cribriform, and has a pointed posterior end; the maxillary sinus ex- tends into it. The orbital margin forms a distinct promi- nence, and behind the latter is the fossa for the lacrimal sac. The facial part of the malar bone is extensive and . quadrilateral. Its upper part concurs in the formation of the external lacrimal fossa- this area is limited below by a curved crest which continues backward on the zygomatic process. The latter divides into two branches, as m the ox. The turbinates and th
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