The large flat bone of the pelvic girdle located on either side of the lower abdomen; it connects with the [[坐骨|坐骨|zuo4 gu3]] and [[耻骨|恥骨|chi3 gu3]] to form the [[髋骨|髖骨|kuan1 gu3]]

iliac fossa; the internal pelvic basin formed by the ilium