Spleen
homogenous
Sonographically the splenic parenchyma should have a fine _____ texture as is seen with the liver
12cm long, 7cm wide
normal measurement of spleen for an average adult
gastrosplenic ligament
one of the ligaments between the stomach and the spleen that helps hold the spleen in place
hematocrit
the ______ indicates the percentage of red blood cells per volume of blood
leukocytosis
the increase in the number of white blood cells present in the blood that is typical finding of infection is called _____
billroth
the removal of defective and worn-out red blood cells occurs in the cords of _____
filter; reservoir
the spleen is a ______ and ______ for the blood
intraperitoneal
the spleen is an ______ organ, covered with peritoneum over its entirety except for a small area at the hilum
trabeculae
a fibrous capsule surrounds the spleen and ____ project from the capsule into the organ, dividing the spleen into several components
reticuloendothelial system
a network of cells concerned with blood cell formation and destruction, storage of fatty materials, and metabolism of iron and pigment, and play a role in the inflammation and immunity
lymph system
a network of organs, lymph nodes, lymph ducts, and lymph vessels that make and move lymph from tissues to the bloodstream
thrombocytopenia
abnormal decrease in platelets
leukopenia
abnormal decrease of white blood cells; may be drug induced
accessory
an _____ spleen is usually found near the hilum or inferior border of the spleen but has been reported elsewhere in the abdominal cavity
bacteremia
indicates presence of bacteria within the body
anastomose
intrasplenic veins do not ______ with each other
lienorenal ligament
ligament between spleen and kidney
phrenocolic ligament
ligament between the spleen and splenic flexure of the colon
splenic hilum
located in the middle of the spleen; site where vessels and lymph nodes enter and exit the spleen
Phagocytosis
process by which red pulp destroys the degenerating red blood cells
culling
process by which spleen removes abnormal red blood cells as they pass through
hematopoesis
production of blood cells
wandering spleen
spleen that has migrated from its normal location in the LUQ
agenesis
splenic _____ may occur as part of asplenic or Polysplenia syndromes in association with complex cardiac malformations, bronchopulmonary abnormalities, or visceral heterotaxis
infraction
splenic arteries are subject to _____
white, red
the spleen is made up of red and white pulp. The ____ pulp is considered lymphatic tissue and the ____ pulp is composed of venous sinuses capable of storing more than 300ml of blood
lymphoid
the spleen is part of the reticuloendothelial system and is the largest single mass of _____ tissue in the body
upper, inferior
the spleen is usually measured with ultrasound on a longitudinal image from the _____ margin to the _____ margin at the long axis