. Anatomy, descriptive and applied. Anatomy. THE OS INNOMINATUM 209 of the acetabulum, of which it forms rather less than two-fifths. It is separated from tlie gluteal portion by a prominent rim, which forms part of the margin of the acetabular COMPRESSOR L Cnts penis/ erector penje Fig. 168.—Right os innominatum. Internal surface. The internal surface (Fig. 168) is bounded above by the crest; belotv it is con- tinuous with the pelvic surface of the os pubis and ischium, a faint line only indicating the place of union; and before and behind it is bounded by the anterior and posterior
. Anatomy, descriptive and applied. Anatomy. THE OS INNOMINATUM 209 of the acetabulum, of which it forms rather less than two-fifths. It is separated from tlie gluteal portion by a prominent rim, which forms part of the margin of the acetabular COMPRESSOR L Cnts penis/ erector penje Fig. 168.—Right os innominatum. Internal surface. The internal surface (Fig. 168) is bounded above by the crest; belotv it is con- tinuous with the pelvic surface of the os pubis and ischium, a faint line only indicating the place of union; and before and behind it is bounded by the anterior and posterior borders. It presents a large, smooth, concave surface, called the iliac fossa (fossa iliaca), which lodges the Iliacus muscle, and presents at its lower part the orifice of a nutrient canal, and below this a smooth, rounded border, the iliopectineal line (linea arcuata). which separates the iliac fossa from that portion of the internal surface which enters into the formation of the true pelvis, and which gives origin to part of the Obturator internus muscle. Behind the iliac fossa is a rough surface divided into two portions, an anterior and a posterior 14. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gray, Henry, 1825-1861; Spitzka, Edward Anthony, 1876-1922. Philadelphia, New York, Lea & Febiger
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1913
