File:Anatomy, descriptive and surgical (electronic resource) (1860) (14761483511).jpg

Identifier: b20386424 (find matches)
Title: Anatomy, descriptive and surgical (electronic resource)
Year: 1860 (1860s)
Authors: Gray, Henry, 1825-1861 Carter, H. V., ill Westmacott, John Guise, Dr, ill
Subjects: Anatomy
Publisher: London : J.W. Parker
Contributing Library: Wellcome Library
Digitizing Sponsor: Wellcome Library

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teral sinus. Behindthe foramen magnum is the external occipital crest, terminating above at theexternal occipital protuberance, whilst on each side are seen the superior andinferior curved lines; these, as well as the surfaces of the bone between them,being rough for the attachment of numerous muscles. LATERAL REGIONS OF THE SKULL. 73 Lateral Region of the Skull.The Lateral Region of the Skull is somewhat of a triangular form, itsbase being formed by a line extending from the external angular process ofthe frontal bone along the temporal ridge backwards to the outer extremity of thesuperior curved line of the occiput: and the sides being formed by two lines, theone drawn downwards and backwards from the external angular process of thefrontal bone to the angle of the lower jaw, the other from the angle of the jawupwards and backwards to the extremity of the superior curved line. Thisregion is divisible into three portions, temporal, mastoid, and zygomatic. 64.—Side View of the Skull.
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The Temporal Foss^.The Temporal fossa, is bounded above and behind by the temporal ridge, whichextends from the external angular process of the frontal upwards and backwardsacross the frontal and parietal bones, curving downwards behind to terminate atthe root of the zygomatic process. In front, it is bounded by the frontal, malar,and great wing of the sphenoid: externally, by the zygomatic arch, formed con-jointly by the malar and temporal bones; below, it is separated from the zygoma-tic fossa by the pterygoid ridge, seen on the outer surface of the great wing ofthe sphenoid. This fossa is formed by five bones, part of the frontal, great wingof the sphenoid, parietal, squamous portion of the temporal, and malar bones, andis traversed by five sutures, the transverse facial, coronal, spheno-parietal, squamo-parietal, and squamo-sphenoidal. It is deeply concave in front, convex behind,traversed by grooves for lodging branches of the deep temporal arteries, and filledby the Temporal mus

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