GI - Dry Lab Flashcards
3 openings of the diaphragm
COA
Caval (vena cava)
oesophagus
aortic
vertebral levels of the 3 openings of the diaphragm
c - T8
o - T10
a - T12
what layer of the peritoneum is more sensitive to pressure, pain and heat?
parietal
how do the greater and lesser sacs communicate?
through the omental foramen
retroperitoneal structures are only covered in peritoneum on their ……. side
anterior
at what vertebral level does the abdominal aorta divide into 2 common iliac arteries
L4
what is the effect of a vagotomy on gastric secretion?
reduces gastric secretion
vertebral level of the kidneys
T12-L3
muscle that runs in a vertical orientation and in an anterior position in the abdomen
pyramidalis
how does the rectus sheath differ above and below the umbilicus?
above
single layer of connective tissue
how does the rectus sheath differ above and below the umbilicus?
below
2 layers of fatty and membranous
what vertebral level is umbilicus?
L3/4
dermatome T10
the inguinal canal is formed from layers of the ……….
as these layers form they push through the wall obliquely, forming a canal
anterior abdominal wall
the inguinal ligament is attached to which two bony points of the hip bone
pubic tubercle
anterior iliac spine of the ilium
where does the superficial ring lie in relation to the pubic tubercle?
above it
contents of the inguinal canal in men
spermatic cord
ilioinguinal nerve
genitofemoral nerve
(epigastric vessels?)
two openings of the inguinal canal
superficial inguinal ring
deep inguinal ring
direct inguinal hernia
1/3rd of inguinal hernias
push through a weak part of the muscles in the posterior wall of the inguinal canal
(do not push through a ring)