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