Guess it’s location ?

General
1

preauricular sulcus *
Where you can find this structure?

Ps :- This structure is not related to ear

2

Its a small groove in ilium bone of pelvis.

3

It is a groove on the iliac bone, characteristic of the female pelvis.

4

Small groove in ilium bone of pelvis.

5

Small groove on the medial side of the ilium, near the auricular surface.

6

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Found in iliac bone adjacent and to the inferior surface of the sacroiliac joint.