Foramen occipitale Foramen magnum magnum Canalis condyloideus Sulcus transversus Sulcus sagittalis Clivus Linea nucha suprema Linea nucha superior Linea nuchæ inferior Os sphenoidale Crista infratemporalis Sulcus chiasmatis Crista sphenoidalis Spina angularis Lamina medialis processus pterygoidei Lamina lateralis processus pterygoidei Canalis pterygoideus [Vidii] Fossa hypophyseos Posterior condyloid Groove for lateral Groove for sup. long. sinus Median part of upper surface of basi-occipital Highest curved line Superior curved line Inferior curved line Facies anterior Facies infratemporalis Sinus maxillaris Processus frontalis Processus zygomati cus Canales alveolares Canalis naso-lacrimalis Os incisivum Foramen incisivum Os palatinum Crista ethmoidalis Pars horizontalis Groove for nasal nerve Superior Maxillary Bone Facial or external surface Zygomatic surface |