Spleen Physiology
Spleen Anatomy
Sonographic Appearance and Variants
Splenic Vasculature
Applications and Labs
100

Type of cell that the spleen produces throughout life.

What are white blood cells?

100

The normal long axis measurement of the spleen lies within this range.

What is 8-13cm?

100

The normal spleen should appear isoechoic or hypoechoic when compared to this organ.

What is the liver?

100

This splenic blood supplying vessel originates from the celiac artery.

What is the splenic artery?

100

An abnormally low number of leukocytes.

What is leukopenia?

200

The process of removing undesirable inclusions from RBC's without damaging the cells.

What is pitting?

200

With the exception of the splenic hilum, the spleen is entirely covered by this.

What is peritoneum?

200

The normal spleen should have this texture.

What is homogeneous and smooth?

200

The blood leaving the spleen enters into this system via the splenic vein.

What is the portal venous system?

200

This lab value indicates the percentage of red blood cells per volume of blood.

What is hematocrit?

300

The spleen can attribute its ability to serve as a blood reservoir to its high content of this.

smooth muscle

300

Small openings which allow normal pliable red blood cells to pass through are located in this splenic structure.

What are venous sinuses?

300

The most common location for accessory spleen.

What is the splenic hilum?

300

Before reaching the spleen, the splenic artery branches into short gastric branches supplying the greater curvature of the stomach as well as branches to this organ.

What is the pancreas?

300

The most common use for spleen ultrasound is the detection of this.

What is splenomegaly?

400

This term is used to describe the production of red blood cells.

What is hematopoiesis?

400

The red pulp is filled with these cells which destroy abnormal RBC's.

What are macrophages?

400

This rare congenital abnormality may be associated with congenital heart defects.

What is asplenia?

400

The medially located portion of the spleen where the vasculature enters and exits.

What is the splenic hilum?

400

This lab value is indicative of infection of the blood.

What is leukocytosis?

500

The four major functions of the spleen.

What are defense, hematopoiesis, RBC and platelet destruction, and blood reservoir?

500

Small nodular masses of lymphatic tissue within the white pulp that contain white blood cells.

What are malpighian corpuscles?

500

The most common splenic abnormality.

What is splenomegaly?

500

The splenic artery branches at the splenic hilum into these vessels.

What are lobar arterial branches?

500

Sonography of the spleen can be applied to assess spleen size, splenic masses, and this.

What is splenic damage from blunt trauma?