Lecture 25: peritoneum and mesenteries Flashcards
Peritoneal cavity
Below diaphragm, surrounded by abdominal wall and pelvic floor. Enclosed in peritoneum
Components of peritoneum
Parietal and Visceral peritoneum
Serous fluid
Between visceral peritoneum, allows frictionless movement of the organs against each other
Mesentary
Double sheet of connective tissue attaching the organs to the abdominal wall
mesogastrium
Mesentary connecting to the stomach
mesos root
Latin for middle
enteron latin root
guts, intestine
gaster latin root
belly
hepar
means liver in latin
lien
means spleen in latin
How do the liver, stomach, pancreas and spleen move during embryological rotation?
The liver and stomach rotate to right, the spleen and pancreas to the left.
How many layers to greater omentum?
Six-where the transverse mesocolon attaches
Four - in the gastrocolic portion, because a double layer folded in on itself
Two- in gastrophrenic/gastrolienal portions
Parietal peritoneum
secondary mesentaries that are not active in suspending the gut
Purpose of greater omentum
Bind against the stomach, stop infections from spreading, then a site for fat storage
falciform latin
sickle shaped
teres latin
round