Sutural (wormian) bone

Anatomy

Also known as extra-sutural bone. An extra, occasionally present, irregular bone, in a cranial suture. Most commonly seen in the lambdoid area.

Vignette

Ole Worm, 16th/17th century Danish physician. Also known as Inca bone; relatively high prevalence in Peruvian mummies. Presence of multiple wormians a marker in diagnosis osteogenesis imperfecta (Brittle Bone Disease).

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