10/18: Digestive Glands Flashcards
Liver
Largest organ in the body, by weight and volume
What is the liver encased by?
Ribs
Falciform ligament
double layered mesentery that separates and bridges left and right lobe
Ligamentum teres
Free lower edge of falciform ligament
What does the ligamentum teres important in fetal development?
Housing the umbilical vein to then go directly into fetal IVC
What does the ligamentum teres become after birth?
Thickened filament
Where is the gallbladder?
Anterior right sagittal fissure
What does the gallbladder adhere to?
Liver (still considered mesenteric organ because it is not attached to posterior abdominal wall)
Horizontal fissue
Connects right and left sagital fissure forming separation of quadrate (anterior to) and caudate lobe (posterior to)
Caudate lobe
part of the liver that is exposed and visible inside the lesser sac
Where is the left sagittal fissure?
Near body’s midling
What does the anterior left sagittal fissure contain?
Ligamentum teres and fetal vessels that will connect with IVC
What does the posterior left sagittal fissure contain?
Liagamentum venosum (part of umbilical vein) and root of lesser omentum attachment
What is the anterior right sagittal fissure?
Bed for galbladder
What passes behind the posterior right sagittal fissure?
Inferior vena cava
What is the horizontal fissure?
Hilum called porta hepatis “doorway to the liver”
What is the horizontal fissure formed by?
Upper root of lesser omentum
What does the porta hepatis contain?
- common bile duct
- hepatic artery proper
- Portal vein
What does the porta hepatis run through
the lesser omentum
The liver is partially ________ and _______________
Mesenteric; secondarily retroperitoneal
What is the liver covered with?
Visceral peritoneum
Recesses
Areas where not much peritoneal fluid will be present
What are recesses important for
Potential site of abdominal infectious material to spread, forming abscesses
Subphrenic recess
superior, shallow
Hepatorenal recess
inferior, deeper