Abdomen Flashcards
Thoracic aorta branches?
Bronchial
Mediastinal
Oesophgeal
Pericardial
Sub Phrenic
Intercostal and subcostal
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What levels does the thoracic aorta run form?
T4-T12
Abdominal aorta branches?
Coeliac
Sup mesenteric
Renal (Middle suprarenal and renal)
Gonadal
Lumbar
Inf mesenteric
Common iliac
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where is the ampulla of vater?
medial aspect of the 2nd part of the duodenum
blood supply of gallbladder?
cystic artery
(branch from R hepatic)
borders of calot’s triangle?
superior - inferior surface of the liver
inferior - cystic duct
medial - common hepatic duct
posterior abdominal muscles?
quadratus lumborum
psoas major
psoas minor
iliacus
anterolateral abdominal muscles?
sup to deep
external oblique
internal oblique
rectus abdominus
transversus abdominus
what does the rectus sheath enclose?
rectus abdominus
pyramidalis
what forms the rectus sheath?
tendons of
external oblique
internal oblique
transversus abdominus
what is the thickening in the anterior wall of the rectus sheath called?
linea alba
what does the arcuate line mark?
separates the upper 3/4 of rectus abdominus muscle from the lower quarter
why is arcuate line clinically significant?
lower quarter of rectus abdominus only covered anteriorly by rectus sheath - posterior in direct contact with transversalis fascia
what is deeper - scarpers or campers?
scarpers fascia
what makes up the iliopsoas muscle?
iliacus
psoas major
blood supply of diaphragm? what vertebral level does this arise?
inferior Phrenic arteries (from abdominal aorta)
T12
level of caval foramen in the diaphgram?
T8
level of oesophageal hiatus in the diaphgram? what passed through?
T10
oesophagus + vagus nerve
what passes through the aortic hiatus of the diaphragm?
abdominal aorta
azygous vein
thoracic duct
branches of the coeliac trunk?
common hepatic
splenic
left gastric
what passes through the caval foramen?
IVC
R phrenic nerve
superior border of the inguinal canal?
internal oblique
transversus abdominus
MALT -
muscles (roof)
aponeurosis (anterior)
ligaments (posterior)
Tendon (Floor)
floor of the inguinal canal?
inguinal ligament
lacunar ligament
MALT -
muscles (roof)
aponeurosis (anterior)
ligaments (posterior)
Tendon (Floor)
what is the inguinal ligament? where does it span?
edge of external oblique
ASIS to pubic tubercle
what is the lacunar ligament?
lower (medial) edge of external oblique
anterior border of the inguinal canal?
aponeurosis of external oblique
fibres from internal oblique
MALT -
muscles (roof)
aponeurosis (anterior)
ligaments (posterior)
Tendon (Floor)
posterior border of the inguinal canal?
transversalis fascia
conjoint tendon
MALT -
muscles (roof)
aponeurosis (anterior)
ligaments (posterior)
Tendon (Floor)
what is contained within the inguinal canal?
ilioinguinal nerve
genital branch of the genitofemoral nerve
spermatic cord in men
round ligament in F
what level does the abdominal aorta bifurcate into the common iliacs?
L4
intraperitoneal abdominal organs?
stomach
liver
tail of pancreas
spleen
superior part of duodenum
jejenum
ileum
appendix
transverse colon
sigmoid colon
rectum
retro peritoneal abdominal organs?
oesophagus
pancreas
aorta
duodenum (not first part)
ascending and descending colon
kidneys
ureters
