Retroperitoneum and Kidneys Flashcards
Abdominal Aorta
Passes through diaphragm at T12
Abdominal Aorta Branches
Multiple paired
3 Non-Paired
Splits at L4 into common iliac arteries
Non-paired Branches
Celiac trunk - L1
Superior Mesenteric - L1
Inferior Mesenteric - L3
Autonomic Nervous System
Visceral Efferent
Visceral Afferent
Sympathetic
Visceral Efferent
Motor to smooth muscle of internal organs
Visceral Afferent
Sensory from receptors in mucous membranes, organ capsules, sweat/sebaceous glands and blood vessels
Referred Pain from Visceral Afferent
Autonomic - mixed efferent/afferent
Visceral - come to same spinal level as somatic so pain is somatic
Quadratus Lumborum Origin
Iliac crest
Quadratus Lumborum Insertion
12th rib
Transverse process of L1-L5
Quadratus Lumborum Function
“Fix” 12th rib during inspiration
Psoas Origin
Bodies of T12-L4
Psoas Insertion
Lesser trochanter
Psoas Function
Chief flexor of thigh/trunk
Iliacus Origin
Iliac Fossa/Sacral ala
Iliacus Insertion
Lateral psoas