Norma Basilar is: i

Foramen magnum; 2, lambdoid suture; 3, superior curved line; 4, external occipital crest- 5, inion; 6, inferior curved line; 7, lambdoid suture- 8, posterior condyloid foramen; 9, occipitomastoid suture; 10, parietomastoid suture; ir, groove ' for occipital artery; 12, digastric fo a; 13, jugular proce : 14, stylo mastoid foramen; iSr carotid canal; 16 foramen lacerum medium; 17, foramen spinosum; is' foramen ovale; 19, sphenosquamous suture; 20, zygoma; 21, malar; 22, superior maxilla; 23, posterior palatine canal; 24, lateral ma of ethmoid; 25, intermaxillary suture; 26, anterior palatine canal vomer;; 27, posterior nasal spine; 28, pterygoid fo a; 29, 30, eminent i a articular is; 31, glenoid fo a; 32, auditory proce flooring external auditory canal; 33. styloid proce ; 34, supra mastoid crest; 35. jugular _ foramen- 36. mastoid proce ; 37. mastoid foramen; 38, condyle of occipital bone; 39, sphenomaxillary fi ure. jg IS ir 10 30 31 32 33 34 B5 36 37 Norma Lateral is: i. Mental tubercle; 2, maxilla; 3, alveolar point; 4, infraorbital foramen; 5, anterior nasal spine; 6, zygomatic bone; 7, foramen zygomaticofaciale; 8, lacrymal tubercle; 9, lacrymal groove; ID, nasal bone; 11, nasion; 12, glabella; 13- great wing of sphenoid; 14, temporal fo a; 15, frontal bone; 16, pterion; 17, coronal suture; 18, bregma; 19, tem.- poral squama; 20, superior temporal line; 21, inferior temporal line; 22, parietal bone; 23, obelion; 24, lambda; 25. occipital bone; 26, lambdoid suture; 27. inion; 28, aster i on; 29, supra mastoid crest; 30, mastoid proce 31, supra meatal ridge 3 2, auriculare 33, styloid; proce ; 34, tuberculum articulare;; 35, gonion;; _ 36, ramus of mandible; 37, mental foramen. Floor ment of of Cranial falx; 3, Cavity foramen: i, cecum; Diploe; 4, 2, crest crista for gall i; attach- 5, cribriform plate of ethmoid; 6, anterior cranial fo a; 7, olivary eminence; 8, pituitary fo a; 9, foramen rotundum; 10, posterior clinoid proce ; 11, cavernous groove; 12, foramen lacerum medium; 13, middle cranial fo a; 14, depre ion for ganglion of Ga er; 15. groove for inferior petrosal sinus; 16, groove for lateral sinus; 17. foramen magnum; 18, posterior cranial fo a; 19, internal occipital crest; 20, fo a for occipital lobe of cerebrum; 21, crest for attachment of falx; 22, internal occipital protuberance; 23, groove for lateral sinus; 24, anterior condyloid foramen; 25, jugular foramen; 26, groove for lateral sinus; 27, groove for superior petrosal sinus; 28, internal auditory canal; 29, petrosquamous suture; 30, hiatus Fallopii; 31, foramen spinosum; 33, foramen ovale; 34, dorsum sellse; ^5, anterior clinoid proce ; 36, le er wing of sphenoid; 37, cavernous groove; 38, optic foramen; 39. 40. cribriform plate of ethmoid; 41, slit for nasal nerve.