APPLIED RADIOLOGICAL ANATOMY

ANATOMY

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where are all RED BLOOD CELLS recycled?
A
thymus
B
bone marrow
C
tonsils
D
spleen
Explanation: 

Detailed explanation-1: -All the other cellular proteins are either recycled or eliminated. Historically, this process was thought to occur exclusively in the spleen, but recent studies have shown that it occurs in the bone marrow.

Detailed explanation-2: -Often, the spleen is referred to as the “graveyard of RBCs”. Also, the spleen stores RBCs by eliminating the dead and damaged cells. About 20-25% of the red blood cells are stored in the spleen. The spleen also stores other blood cells such as WBCs and platelets.

Detailed explanation-3: -Red cells with reduced deformability are unable to negotiate through narrow endothelial slits in the human spleen. Consequently, they are retained in the splenic cords and eventually destroyed by red pulp macrophages.

There is 1 question to complete.