Risser sign

proper noun

An indirect measure of skeletal maturity, whereby the ossification stage of the iliac apophysis is used to judge the ossification of the spinal vertebrae.

Meanings

proper noun
  1. An indirect measure of skeletal maturity, whereby the ossification stage of the iliac apophysis is used to judge the ossification of the spinal vertebrae.

Origin

The correlation was first described by Risser in 1958, with a graded classification scheme developed at a later time.

Full word history & related roots →
Cite this entry
APA

Risser sign. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Risser%20sign

MLA

“Risser sign.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Risser%20sign. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Risser sign,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Risser%20sign.

Source: Risser sign on Wiktionary, CC BY-SA 4.0.