Abdomen Flashcards
Tobias ch 83-86
What is the first unpaired branch of the abdominal aorta?
Celiac artery
Which arteries arise from the celiac artery?
Splenic
Left gastric
Hepatic
Functions of the spleen
Immune surveillance
Hematopoiesis
Filtration of blood
Maturation of RBCs
Removal of abnormal RBCs
Synthesis of IgG
Storage of RBCs and Platelets
Where is the most common site of accessory spleens in dogs?
Gastrosplenic ligament
How much of RBC mass can be stored in the spleen in dogs?
10-20%
During splenic contraction, how reduced in size may the spleen become?
25-50% of normal size
Acepromazine causes generalized splenomegaly through what mechanism?
Relaxation of smooth muscle in splenic capsule = congestion, blood pooling
Which dogs are predisposed to splenic histiocytic sarcoma?
Flat coated retrievers
Rottweilers
Bernese Mountain dog
Golden retriever
Benign splenic plaques are commonly made up of what substances?
Iron
Bilirubin
Calcium
Which limb of the pancreas is susceptible to compromise with splenic torsion?
left limb
Describe splenic appearance on ultrasound compared to the liver
hyperechoic
finer echotexture