Identifier: anatomydescripti1897gray (find matches)
Title: Anatomy, descriptive and surgical
Year: 1897 (1890s)
Authors: Gray, Henry, 1825-1861 Carter, H. V. (Henry Vandyke), 1831-1897 Pick, T. Pickering (Thomas Pickering), 1841-1919
Subjects: Anatomy Human anatomy Anatomy, Surgical and topographical
Publisher: London : Longmans, Green
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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Demi-facet for head of ribInferior articular process lower part of the region. The dorsal vertebras may be at once recognised by thepresence on the sides of the body of one or more facets or half-facets for theheads of the ribs. 1 26 THE SKELETON The bodies of the dorsal vertebrae resemble those in the cervical and luujbarregions at the respective ends of this portion of the spine; but in the middleof the dorsal region their form is very characteristic, being heart-shaped, and asbroad in the antero-posterior as in the lateral direction. They are thicker behindthan in front, flat above and below, convex and prominent in front, deeply con-cave behind, slightly constricted in front and at the sides, and marked on eachside, near the root of the pedicle, by two demi-facets, one above, the other below. Fig. 118.—Peculiar dorsal vertebrae. An entire facet above ^a demi-facet beloio !^^W^Mflfm~^ (^emi-facet above
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— One entire facet n entire facet facet on trans.proc.liich is rudimentary I entire facetNo facet on transv.1 process \ Infer, artic. processconvex and turnedovvtivard These are covered with cartilage in the recent state, and, when articulated withthe adjoining vertebrae, form, with the intervening fibro-cartilage, oval surfacesfor the reception of the heads of the corresponding ribs. The 1)6(110168 aredirected backwards, and the inferior intervertebral notches are of large size, anddeeper than in any other region of the spine. The lamincs are broad, thick, andimbricated—that is to say, overlapping one another like tiles on a roof. The LUMBAE VEETEBE^ 127 spinal foramen is small, and of a circular form. The spinous processes are long,triangular on transverse section, directed obliquely downwards, and terminate ina tubercular extremity. They overlap one another from the fifth to the eighth,but are less oblique in direction above and below. The articular processes areflat, nearly ve

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