Posterior Abdominal Wall And Vessels Flashcards
Examples of Portal systems
- Hepatic
- Hypophyseal
- Renal (not in mammals)
Somatic Innervation of the Abdominal wall
- Thoraco-abdominal Nerves
2. Subcostal Nerve
Vagus Nerves
- Provides PARA-Sympathetic innervation to abdomen
- Supplies innervation as far as left COLIC flexure
Terminal Branches of the Aorta
- Common Iliacs
- Median Sacral
Three UN-paired branches of the abdominal aorta
- Celiac Trunk
- SUP Mesenteric Artery
- INF Mesenteric Artery
What does the INF Mesenteric Artery Supply?
- Intestines beginning w/ left colic
- Upper half of the Anal canal
Common Hepatic Artery
Supplies
- Stomach
- Liver
- Gallbladder
The Common Iliac is divided into what?
- External Iliacs
And
- Internal Iliacs
Portal Systems
- Venous connection b/w 2 organs other than the HEART
- Vein Connecting 2 CAPILLARY beds
Lumbar Splanchnic Nerves
- Continuous with the Thoracic Splanchnic
- Sympathetic
- Paravertebral
- Innervates the Descending and Sigmoid COLON
What are the Paired Lateral branches of the AORTA
- Suprarenal
- INF Phrenic
- Renal
- Testicular/Ovarian
- Lumbar
“SIR TOL”
What are the three Pairs of the Thoracic Splanchnic Nerves?
- Greater Splanchnic
- Lesser
- Least
Lumbar Plexus comes off of what?
Ventral Rami of
- L1 -> L3
- Most of L4
Left Gastric Artery
- Travels to LESSER Omentum
- Supplies Lesser Curvature of Stomach
- Supplies INF Esophagus
What does the Sup Mesenteric Artery Supply?
- Duodenum
- Intestine
Terminal Branches of the Celiac Trunk
- Splenic Artery
- LEFT Gastric Artery
- COMMON Hepatic Artery
What is the Largest branch of the Celiac Tunk
Splenic Artery
The Portal Vein Divides into what?
- Splenic Vein
- Superior Mesenteric Vein
The External Iliac becomes the Femoral Arteries where?
Inguinal Ligament
The Abdominal Aorta Bifurcates into what?
Common Iliacs
How is the INF Vena Cava formed?
By the Union of Paired Common Iliac VEINS
Thoracic Splanchnic Nerves
- SYMPATHETIC
- Visceral branches of T5-T12
- Supplies the ABDOMINAL Organs Rather than the Thoracic ones
Branches of the Common Hepatic Artery
- R. Hepatic
- L. Hepatic
- Cystic Artery
- R. Gastric
- Gastroduodenal
What 4 muscles make up the Post. Ab wall?
- Psoas Major
- Psoas Minor
- Iliacus
- Quadratus Lumborum
What Iliac vein drains the pelvis?
Internal Iliac
Splenic Artery
- Supplies Pancreas
- Supplies greater Curvature of Stomach
