sciatic notch

noun

: either of two notches on the dorsal border of the hip bone on each side that when closed off by ligaments form the corresponding sciatic foramina:
a
: a relatively large notch just above the ischial spine that is converted into the greater sciatic foramen by the sacrospinous ligament

called also greater sciatic notch

b
: a smaller notch just below the ischial spine that is converted to the lesser sciatic foramen by the sacrospinous ligament and the sacrotuberous ligament

called also lesser sciatic notch

Dictionary Entries Near sciatic notch

Cite this Entry

“Sciatic notch.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sciatic%20notch. Accessed 28 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!