However, they are probably best known for the roles they play in the immune systemâs defense against disease-causing organisms. 1  As part of the immune response, cytokines exert their influence over various white blood cells (leukocytes), including lymphocytes, granulocytes, monocytes, and macrophages.
Renal parenchymal echohenicity is a kind of imaging terminology, which can present some renal abnormalities. In most condition, increased renal parenchymal echogenicity indicates that there is a certain degree of kidney damage or renal parenchymal inflammation.
Best Answer: ultra filtration and reabsorption in kidney is carried out by its functional unit called nephron. Ultra filtration occurs between the glomerulus and Bowman's capsule of nephron.The larger afferent arteriole than efferent arteriole speeds up the ultra filtration.ltrafiltration Selective Reabsorption Selective reabsorption occurs in the proximal convoluted tubule. This is the longest and widest part of the nephron. In this part over 80% of the filtrate is reabsorbed into the blood.