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.
Renal and Mesenteric Doppler Ultrasound. Print. Print. Renal and mesenteric Doppler ultrasound uses a technique called Doppler ultrasound to evaluate blood flow through the renal arteries (which supply blood to the kidneys) and/or the mesenteric arteries (which supply the intestine and other abdominal organs).