Reference > Anatomy of the Human Body > Page 126
Henry Gray (1825–1861).  Anatomy of the Human Body.  1918.
only feebly marked. The angle is slight, and situated close to the tubercle. The body is not twisted, so that both ends touch any plane surface upon which it may be laid; but there is a bend, with its convexity upward, similar to, though smaller than that found in the first rib. The body is not flattened horizontally like that of the first rib. Its external surface is convex, and looks upward and a little outward; near the middle of it is a rough eminence for the origin of the lower part of the first and the whole of the second digitation of the Serratus anterior; behind and above this is attached the Scalenus posterior. The internal surface, smooth, and concave, is directed downward and a little inward: on its posterior part there is a short costal groove.

FIG. 124– Peculiar ribs. (See enlarged image)

FIG. 125– Peculiar ribs. (See enlarged image)

FIG. 126– Peculiar ribs. (See enlarged image)

FIG. 127– Peculiar ribs. (See enlarged image)

FIG. 128– Peculiar ribs. (See enlarged image)

Tenth Rib.—The tenth rib (Fig. 126) has only a single articular facet on its head.

Eleventh and Twelfth Ribs.—The eleventh and twelfth ribs (Figs. 127 and 128) have each a single articular facet on the head, which is of rather large size; they


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