Archive image from page 167 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( Foramen rotund um Groove for auditory tube Petrosal process Pterygoid canal Lateral lamina of the pterygoid process Medial lamina of the pterygoid process Superior orbital fissure Spina angularis \Lingula sphenoidalis Scaphoid fossa Pterygoid fossa Fig. 144. Pterygoid notch Hamulus of medial pterygoid lamina -The Sphenoid seen from behind. is usually deflected to one or other side of the median plane. Each sinus extends laterally for a short distance i
Archive image from page 167 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( Foramen rotund um Groove for auditory tube Petrosal process Pterygoid canal Lateral lamina of the pterygoid process Medial lamina of the pterygoid process Superior orbital fissure Spina angularis \Lingula sphenoidalis Scaphoid fossa Pterygoid fossa Fig. 144. Pterygoid notch Hamulus of medial pterygoid lamina -The Sphenoid seen from behind. is usually deflected to one or other side of the median plane. Each sinus extends laterally for a short distance into the root of the great wing, and downwards and laterally towards the base of the pterygoid process of the same side. They Infra-temporal /, surface Foramen rotundum Orbital surface Infra-temporal crest x Angular spine Spheno-maxillary surface Lateral pterygoid lamina Pterygoid notch Fig. 145.—The Sphenoid seen from the front, Hamulus of medial pterygoid lamina communicate by apertures with the upper and back part of the nasal cavities. In the adult the posterior aspect of the body displays a sawn surface due to its separation from the basi-occipital, with which in the adult it is firmly ankylosed. The superior surface, from the anterior angles of which the small wings arise, displays an appear- ance comparable to that of an oriental saddle. Over its middle there is a deep de- pression, the sella turcica or fossa hypophyseos, in which is lodged the hypophysis ( pituitary body). Behind, this is overhung by a sloping ridge, the dorsum sellse, the posterior surface of which is inclined upwards, and is in continuation with
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