Juxtaglomerular apparatus

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A renal corpuscle, showing the juxtaglomerular apparatus with Juxtaglomerular cells (granular cells), Macula densa cells and, extraglomerular mesangium

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The juxtaglomerular apparatus, which monitors blood pressure and secretes renin, is formed from modified cells in the afferent arteriole and the ascending limb of the nephron loop.


Juxtaglomerular apparatus Resources

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Urinary system - Kidney - edit
Renal capsule | Renal cortex | Renal medulla (Renal sinusRenal pyramids) | Renal calyx | Renal pelvis
Nephron - Renal corpuscle (GlomerulusBowman's capsule) → Proximal tubule → Loop of Henle → Distal convoluted tubule → Collecting ducts

Juxtaglomerular apparatus (Macula densaJuxtaglomerular cells)

Renal circulation - Renal artery → Interlobar arteries → Arcuate arteries → Cortical radial arteries → Afferent arterioles → Glomerulus → Efferent arterioles → Vasa recta → Arcuate vein → Renal vein

Renal physiology
Filtration - Ultrafiltration | Countercurrent exchange

Hormones effecting filtration - Antidiuretic hormone (ADH) | Aldosterone | Atrial natriuretic peptide

Endocrine - Renin | Erythropoietin (EPO) | Calcitriol (Active vitamin D) | Prostaglandins

Assessing Renal function / Measures of Dialysis
Glomerular filtration rate | Creatinine clearance | Renal clearance ratio | Urea reduction ratio | Kt/V | Standardized Kt/V | Hemodialysis product

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Contributors: Admin, Prab R. Tumpati, MD