Sacrococcygeal symphysis

The sacrococcygeal symphysis (sacrococcygeal articulation, articulation of the sacrum and coccyx) is an amphiarthrodial joint, formed between the oval surface at the apex of the sacrum, and the base of the coccyx.

Sacrococcygeal symphysis
Articulations of pelvis. Posterior view.
Anterior view.
Details
Identifiers
Latinarticulatio sacrococcygea,
symphysis sacrococcygea
TA98A03.2.08.001
TA21688
FMA16210
Anatomical terminology

It is a slightly moveable joint which is frequently, partially or completely, obliterated in old age, homologous with the joints between the bodies of the vertebrae.

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