Posterior Superior Iliac Spine (PSIS) is part of the human hip bone.
The full form of PSIS is Posterior Superior Iliac Spine
Posterior Superior Iliac Spine
FullForms. (2026). PSIS. FullForms.com. https://fullforms.com/PSIS
FullForms. "PSIS." Accessed April 1, 2026. https://fullforms.com/PSIS.
FullForms (2026) 'PSIS', FullForms.com. Available at: https://fullforms.com/PSIS (Accessed: 01 April 2026).
"PSIS." FullForms.com, 2026, https://fullforms.com/PSIS. Accessed 01 Apr. 2026.
<a href="https://fullforms.com/PSIS">PSIS</a>
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