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.
Proximal Convoluted Tubule (PCT). This is the first part of the renal tubule and it lies in the cortex of the kidney, close to the renal corpusle. Fluid that is filtered from the Bowmanâs Capsule enters into the proximal tubule.roximal Convoluted Tubule (PCT). This is the first part of the renal tubule and it lies in the cortex of the kidney, close to the renal corpusle. Fluid that is filtered from the Bowmanâs Capsule enters into the proximal tubule.