A subdivision of an organism along the anterior-posterior axis in the pelvic region immediately posterior to the lumbar region and anterior to the caudal region. Sometimes an intermediate region is defined between the sacral and caudal. [ http://orcid.org/0000-0002-6601-2165 ]

Synonyms: regio sacralis sacral part of pelvis posterior part of pelvis back of pelvis pelvic back

This is just here as a test because I lose it