Innervations and Blood Supply Flashcards
What innervates Psoas Major?
- L2 – L4 anterior rami
What innervates Iliacus?
- Femoral Nerve
What innervates Quadratis Lumborum?
- Anterior rami T12 – L4
What does the Iliohypogastric
Nerve innervate?
- Abdominal Muscles
- Skin Overlying Iliac Crest
- Hypogastric Region
What does the Ilioinguinal
Nerve innervate?
- Abdominal Muscles
- Skin of Genital Region
- Skin of Medial Thigh Region
What does the Femoral Branch
of the Genitofemoral Nerve innervate?
- Skin on Anterior Surface of Thigh
What does the Genital Branch
of the Genitofemoral Nerve innervate?
- Cremaster Muscle
- Skin of Genitals
What does the Lateral Cutaneous Nerve of Thigh innervate?
- Skin on Anterolateral Surface of Thigh
What does the Femoral Nerve innervate?
- Iliacus
- Region of Anterior Thigh
What does the Obturator Nerve innervate?
- Region of Medial Thigh
What does the Inferior Mesenteric Artery supply?
Structures Derived from
Embryological Hindgut
- Distal 1/3 of Transverse Colon
- Descending Colon, Sigmoid Colon
- Rectum
What does the Superior Mesenteric Artery supply?
Structures Derived from
Embryological Midgut
- Portion of Pancreas
- Distal ½ Duodenum
- Jejunem
- Ileum
- Cecum
- Appendix
- Ascending Colon
- Proximal 2/3 Transverse Colon
What does the Celiac Trunk supply?
Structures Derived from
Embryological Foregut
- Distal Esophagus
- Stomach
- Proximal Duodenum
- Pancreas
- Liver
- Gallbladder
- Spleen
In general, was does the Lumbar Plexus innervate?
- Muscles of Anterior and Medial Thigh
In general, was does the Sacral Plexus innervate?
- Muscles of Gluteal Region
- Sciatic Nerve: Posterior Thigh, Leg, Foot
What do the branches of the Internal Iliac Artery supply?
- Pelvic viscera
- Wall of pelvic cavity
- Gluteal and medial thigh
- Perineal regions
Where does the Superior Gluteal Artery exit the pelvic cavity?
- Greater Sciatic Foramen
- Superior Border of Piriformis
Where does the Inferior Gluteal Artery exit the pelvic cavity?
- Greater Sciatic Foramen
- Inferior Border of Piriformis
Where does the Internal Pudendal Artery exit the pelvic cavity?
- Greater Sciatic Foramen
- Inferior Border of Piriformis
(Anterior / Medial to Inf. Gl. A.)
