Term Name:	kidney granular cell
Synonyms:	JG cell, juxtaglomerular cell, renin secreting cell
Definition:	A smooth muscle cell that synthesizes, stores, and secretes the enzyme renin. This cell type are located in the wall of the afferent arteriole at the entrance to the glomerulus. While having a different origin than other kidney smooth muscle cells, this cell type expresses smooth muscle actin upon maturation.
Ontology:	Cell Ontology [CL:0000648]