Assertion: hemolytic anemia's spleen | /r/CapableOf | become overactive
Facets:
Source sentences:
text: Extrinsic disease may be caused by antibodies that attack and destroy red blood cells, such as in paroxysmal cold hemoglobinuria (a type of autoimmune hemolytic anemia); by diseases or infections that cause the spleen to become overactive (hypersplenism); or by other factors that result in the destruction of red blood cells, including chemicals, infections, trauma (such as repeated impact of the feet in running), venoms, or the toxic products of microorganisms.