juxtaglomerular apparatus

Function

• specialized smooth muscle cells within the afferent glomerular arteriolar wall secrete renin
• the juxtaglomerular cells also respond to stretch, indicating the presence of baroreceptors

Structure

• the juxtamedullary apparatus is a complex formed from the afferent arteriole of a renal glomerulus & the macula densa region of the ascending limb of the loop of Henle

More general terms

• kidney structure

Component of

• renal glomerulus; kidney glomerulus

Components

• macula densa