Abdominal CT

Abdominal Cavity
 The abdominal cavity located between
the diaphragm and the top of the
sacrum (known as the promontory.
 The cavity is usually divided into 4 or 9
regions

Four Part

Nine Part

Peritoneum
 Cavity is lined by a
thin serous
membrane called the
Peritoneum
 Parietal layer – lines
abdominal wall
 Visceral layer –
covers organs
 Encloses liver, gal
bladder, ovaries,
spleen, stomach,
most of intestines

Peritoneum Folds
 The folds hold organs
in place and are
found between and
over organs.
 One example is the
greater omentum
which connects the
stomach to the with
the spleen and
transverse colon