has part has part characteristic of inheres in has modifier Narrow greater sciatic notch HP:0008803 HP:0008813 HP:0008840 Small sacrosciatic notches Narrow sciatic notches A narrowing of the sacrosciatic notch, i.e., the deep indentation in the posterior border of the hip bone at the point of union of the ilium and ischium. HP:0008842 HP:0003375 Narrow greater sacrosciatic notches Narrowed sacrosciatic notch HP:0008805 Narrow sacroiliac notch The sacroiliac joint in the bony pelvis connects the sacrum and the ilium of the pelvis, which are joined by strong ligaments. The notch is located directly superior to the joint. This term refers to a reduction in the lateral dimension of the notch. SNOMEDCT_US:289457006 Narrow sacrosciatic notch Narrowed greater sciatic notch Small sacrosciatic notch UMLS:C0566888 Abnormal greater sciatic notch morphology abnormal decreased width greater sciatic notch