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Posterior Abdominal Wall and Diaphragm
N/A
43
Anatomy
Graduate
01/05/2012

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Cards

Term
What is the origin of Psoas major
Definition
T12-L5, IV discs, and transverse processes of lumbar vertebra
Term
Where does the psoas major insert?
Definition
Lesser trochanter
Term
What innervates psoas major?
Definition
L1-3
Term
What is the origin of psoas minor?
Definition
T12-L1 and IV disc
Term
Where does psoas minor insert?
Definition
Hip bone, pectinate line
Term
Where innervates psoas minor?
Definition
L1
Term
What is the origin of iliacus?
Definition
Iliac fossa of hip bone
Term
Where does iliacus insert?
Definition
Lesser trochanter
Term
What innervates iliacus?
Definition
Femoral nerve, L2-4
Term
What is the origin of quadratus lumborum?
Definition
Iliolumbar ligament, iliac crest
Term
Where does quadratus lumborum insert?
Definition
12th rib and transverse process of lumbar vertebrae
Term
What innervates quadratus lumborum?
Definition
T12 and L1-4
Term
What are the actions of quadratus lumborum?
Definition
Depression and stabilization of 12th rib, lateral bending of trumk, extension of trunk
Term
What is the origin of the diaphragm?
Definition
Xiphoid process, lower sixth ribs, lumbocostal arches, and lumbar vertebrae
Term
Where does the diaphragm insert?
Definition
Trifoliate central tendon
Term
What innervates the diaphragm?
Definition
Phrenic nerve, lower 6 thoracic nerves
Term
What are the roots of the phrenic nerve?
Definition
C3-5
Term
What are the larger diaphragmatic apertures?
Definition
Aortic, oesophageal, and venacaval
Term
What vertebral level is the venacaval aperture located?
Definition
T8
Term
What is the vertebral layer of the oesophageal aperture?
Definition
T10
Term
What is the vertebral level of the aortic aperture?
Definition
T12
Term
Which diaphragmatic aperture tendinous?
Definition
Venacaval
Term
Which diaphragmatic aperture is muscular?
Definition
Oesophageal
Term
Which diaphragmatic aperture is osseo-aponeurotic?
Definition
Aortic
Term
What passes through the venacaval aperture?
Definition
Inferior vena cava, right phrenic nerve, and pericardiophrenic vessels
Term
What passes through the oesophageal aperture?
Definition
Oesophagus, gastric nerves, branches of the left gastric vessels and lymphatics
Term
What passes through the aortic aperture (hiatus)?
Definition
Aorta, thoracic duct, lumbar azygos vein
Term
What passes through the smaller diaphragmatic aperture at sternal and costal origins?
Definition
Superior epigastric vessels
Term

What passes through the smaller diaphragmatic aperture at 7th and 8th costal cartilage origins?

Definition
Musculophrenic vessels
Term

What passes through the smaller diaphragmatic aperture at 7th to 12th costal cartilage origins?

Definition
Neurovascular bundles 7-11 ICN/V
Term

What passes through the smaller diaphragmatic aperture deep to the lateral arcuate ligament?

Definition
Subcostal nerve and vessels
Term

What passes through the smaller diaphragmatic aperture deep to the medial arcuate ligament?

Definition
Sympathetic trunk and least splanchnic nerve
Term

What passes through the smaller diaphragmatic aperture piercing the crus of the diaphragm?

Definition
Greater and lesser splanchnic nerve
Term

What passes through the smaller diaphragmatic aperture piercing the left dome of the diaphragm?

Definition
Left phrenic nerve and percardiphrenic vein
Term
What veins drain from the superior surface of the diaphragm?
Definition
Pericardiphrenic, musculophrenic, and superior phrenic
Term
What veins drain from the inferior surface of the diaphragm?
Definition
Right and left inferior phrenic veins
Term
The thoracic surface of the diaphragm drains lymphatics to where?
Definition
Anterior and posterior diaphragmatic lymph nodes and then to parasternal and posterior medistatinal lymph nodes
Term

The abdominal surface of the diaphragm drains lymphatics to where?

Definition
Anterior diaphragmatic phrenic and superior lumbar lymph nodes
Term
What is the developmental precursor to the diaphragm?
Definition
Septum transversum, muscular in growth from body wall, dorsal mesentary oesophagus, and pleuro-peritoneal membranem membrane folds
Term
What are the somatic nerves of the posterior abdominal wall?
Definition
Phrenic nerve, lower 6 thoracic nerve, branches of the lumbar plexus
Term
What arethe branches of the lumbar plexus?
Definition
Ilio hypogastric, ilio inguinal, geinto femoral, lateral cutaneous, femoral, obturator, muscular
Term
What is the only abdominal wall artery that is not a branch of the abdominal aorta?
Definition
Subcostal arteries
Term
What tributaries drain into the inferior vena cava?
Definition
Commin iliacs, hepatic, righ suprarenal, right inferior phrenic, renal, lumbar azygos, right gonadal, lumbar 4 & 5, median sacral
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