human_reference_atlas has part cell of skeletal muscle Homo sapiens muscle of pelvis iliococcygeus muscle FMA:19092 iliococcygeus iliococcygei iliococcygeus muscle The Iliococcygeus arises from the ischial spine and from the posterior part of the tendinous arch of the obturator fascia, and is attached to the coccyx and anococcygeal raphC); it is usually thin, and may fail entirely, or be largely replaced by fibrous tissue. It is part of the levator ani group of muscles. An accessory slip at its posterior part is sometimes named the Iliosacralis. iliococcygeal SCTID:244964003 AS levator ani - iliococcygeus UBERON:0011511 levator ani-iliococcygeus iliococcygeus Wikipedia:Iliococcygeus_muscle iliococcygeus muscle musculus iliococcygeus uberon pelvic floor muscle