Posterior Abdominal Wall Flashcards
(29 cards)
What are the secondary retroperitoneal structures
Ascending and descending colon
Duodenum
Pancreas
What are the primary retroperitoneal structures
Kidney Ureter Suprarenal gland Aorta IVC
T12 nerve is also called
Subcostal nerve
What are the structures that pass through the diaphragm at certain levels?
T8: IVC
T10: esophagus, vagal trunk
T12: aorta
What nerve supplies the hypo gastric region?
Subcostal
What nerve is the lowest cutaneous nerve on the abdomen
Iliohypogastric
What is the nerve that supplies the skin of scrotum and medial thigh
Ilioinguinal
What nerve is responsible for sensory of cremaster reflex
Ilioinguinal
What nerve supplies the cremaster muscle
Genitofemoral nerve
What nerve goes toward the ASIS
Lateral femoral cutaneous
What nerve is posterior and lateral to psoas muscle?
Femoral nerve
What nerves are on the surface of the sacrum
Lumbosacral trunk
The retroperitoneum is between
Transversalis fascia
Peritoneum
Definition of intraperitoneal and give examples
Organs covered on all sides with peritoneum
Connected to posterior wall
Mobile
Stomach Liver Jejunum Ileum Transverse and sigmoid colon Spleen
Definition of retroperitoneal
In retroperitoneal CT
Fixed in position
Primary: (never had mesentery)
Secondary: (had mesentery but lost it)
Kidneys, ureters, and suprarenal glands enclosed in
Perinephric fat
Gerota’s fascia
Level of right kidney
T12-L3
Position of left kidney
T11-L2
Nutcracker relationship
SMA over left renal vein
What does the left kidney come into contact with
Stomach
Spleen
Descending colon
Jejunum
What contacts the right kidney
Bare area of liver
Right lobe of liver
Ascending colon
Ileum
What are the 5 segments / lobar of the kidney?
Apical Posterior Anterior superior Anterior inferior Inferior
Blood supply of ureter
Retroperitoneum: medially
- renal artery
- aorta
- gonadal artery
Pelvis: laterally
- vesicle artery
- uterine artery
- middle rectal artery
3 constriction points of ureter
Ureteropelvic junction
Crossing iliac vessels
Ureterovesicle junction