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psoas muscle

Unusual venous plexus on psoas major
Figure 1: Dissection of the structures at the posterior abdominal wall. (AA – abdominal aorta; IMA – inferior mesenteric artery; TA – testicular artery; TV – testicular vein; IMV – inferior mesenteric vein; PLX – venous plexus; PM – psoas major muscle; DC – descending colon; SC – sigmoid colon)
Biometrics of psoas minor muscle
Figure 1: Unilateral psoas minor muscle on right side (T-Tendon of Psoas minor; M-muscle belly of Psoas minor. PMa- Psoas major muscle)