umls-concept:C0022663 | skos:definition | MSH: A cluster of convoluted capillaries beginning at each nephric tubule in the kidney and held together by connective tissue.,CSP: globular tufts of capillaries, one projecting into the expanded end or capsule of each the uriniferous tubules.,NCI: A tiny, round cluster of blood vessels within the kidneys. It filters the blood to reabsorb useful materials and remove waste as urine.,NCI: A cluster of convoluted capillaries beginning at each nephric tubule in the kidney and held together by connective tissue. (MeSH) | lld:umls |