Lower Rear Part of the Hip Bone
This page is the CodyCross answer for the clue below from Time for a check-up, Group 1719, Puzzle 1 (Doctors and Nurses).
Question is: Lower Rear Part of the Hip Bone
and the answer is: ISCHIUM
Word Meaning:
ISCHIUM — (anatomy) The lowest of the three bones that make up each side of the pelvis.
Definitions from Wiktionary.