ischium; ischial bone
Anatomical term for the lower and back part of the hip bone. Used in medical and biological contexts.
The ischium is a bone that forms part of the pelvis.
Sitting for long periods can sometimes cause pain in the ischial bones.
恥骨 is the pubis, the front part of the hip bone, while 坐骨 is the rear lower part.
Standard kanji form in anatomy; 坐 is the traditional character for 'sit'.
Variant using 座, the modern simplified form of 坐. Both are used in medical contexts.
From 坐 (za, 'sit') + 骨 (kotsu, 'bone'), referring to the bone that bears weight when sitting. The variant 座骨 uses the modern form of the same character.