|Lateral surfaces of sacrum and coccyx. (Sacral tuberosity labeled at center top.)|
|Sacrum, dorsal surface. (Sacral tuberosity labeled at upper left.)|
|Latin||tuberositas ossis sacri|
|Gray's||subject #24 108|
On the lateral surface of sacrum there is a rough surface, the sacral tuberosity, on which are three deep and uneven impressions, for the attachment of the posterior sacroiliac ligament.
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