Glomeruli: Tuft of microvasular system forming the structure of kidney.
Immune System: The system of organs and processes of the body that provide resistance to and protection from infection and toxins. Organs include thymus, bone marrow, and lymph nodes.
Proteinuria: Excess of protein excreted in the urine.
Hematuria: Blood mixed with urine.
Glomerulonephritis: Inflammation of the glomeruli due to varied reasons.