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Pubic bone
Last reviewed: 06.07.2025
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The pubic bone (os pubis) has an expanded part - the body, and two branches. The body of the pubic bone (corpus ossis pubis) forms the anterior part of the acetabulum. From it, the superior branch of the pubic bone (ramus superior ossis pubis) goes in front with the iliopubic eminence (eminentia iliopubica), located along the line of fusion of the pubic bone with the ilium.
The anterior part of the superior branch curves sharply downwards and passes into the inferior branch of the pubic bone (rarnus inferior ossis pubis). In the area of the medial edge of the pubic bone there is an oval-shaped symphysial surface (facies symphysialis), which serves to connect with the pubic bone of the opposite side. On the superior branch of the pubic bone, near its medial end, there is a pubic tubercle (tuberculum pubicum). Along the posterior surface of the inferior branch of the pubic bone in the direction from back to front and medially runs the obturator groove (sulcus obturatorius), to which the vessels and nerve of the same name are adjacent.
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