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The lengths of the common iliac and internal iliac arteries bear an inverse proportion to each other, the internal iliac artery being long when the common iliac is short, and vice versa. The place of division of the internal iliac artery varies between the upper margin of the sacrum and the upper border of the greater sciatic foramen.
Just inferolateral to the pubic tubercle the fascia extends downwards forming an arched (falciform) margin of the lateral boundary of the opening. It is covered by a thin perforated part of the superficial fascia called the fascia cribrosa which is pierced by the great saphenous vein, the 3 superficial branches of the femoral artery (except superficial circumflex iliac artery, which pierces ...
The internal surface of the body is part of the wall of the lesser pelvis and gives origin to some fibers of the obturator internus. The wing (Latin: ala) is the large expanded portion which bounds the greater pelvis laterally. It has an external and an internal surface, a crest, and two borders—an anterior and a posterior.
The iliac fossa is a large, smooth, concave surface on the internal surface of the ilium (part of the three fused bones making the hip bone). Structure [ edit ]
pelvis The pelvis, also known as the pelvic girdle, is the collective term for bones of the hip, which connect the vertebral column to the hindlimb. The pelvis includes the ilium, pubis, and ischium. Its inner surface has a strong connection to sacral ribs of the sacral vertebrae, which may be fused into a sacrum. [3] Pes of Velocisaurus pes
The internal surface forms part of the bony wall of the lesser pelvis. In front, it is limited by the posterior margin of the obturator foramen . Below, it is bounded by a sharp ridge that provides attachment to a falciform prolongation of the sacrotuberous ligament , and, more anteriorly, gives origin to the transverse perineal and ...
Surface projections of the major organs of the trunk, using the vertebral column and rib cage as main reference points of surface anatomy. Surface anatomy (also called superficial anatomy and visual anatomy) is the study of the external features of the body of an animal. [1] In birds, this is termed topography.
The external surface, known as the dorsum ossis ilium, is directed backward and lateralward behind, and downward and lateralward in front. It is smooth, convex in front, deeply concave behind; bounded above by the crest, below by the upper border of the acetabulum, in front and behind by the anterior and posterior borders.