Francais | English | Espanõl

From Wikipedia, the free encyclopedia

Afferent arterioles
Image:Gray1128.png
Scheme of renal tubule and its vascular supply. (Label "Afferent vessel" is visible in upper left.)
Image:Gray1129.png
Distribution of bloodvessels in cortex of kidney.
Gray's	subject #253 1221

The afferent arterioles are a group of blood vessels that supply the nephrons in many excretory systems. The afferent arterioles branch from the renal artery which supplies blood to the kidneys. The afferent arterioles later diverge into the capillaries of the glomerulus.

[edit] Additional images

Malphigian corpuscle.

Glomerulus.

[edit] External links

• Physiology at MCG 7/7ch03/7ch03p10 - "Renal Vasculature: Efferent Arterioles & Peritubular Capillaries"

Urinary system - Kidney - edit
Renal capsule | Renal cortex | Renal medulla (Renal sinus, Renal pyramids) | Renal calyx | Renal pelvis
Nephron - Renal corpuscle (Glomerulus, Bowman's capsule) → Proximal tubule → Loop of Henle → Distal convoluted tubule → Collecting ducts Juxtaglomerular apparatus (Macula densa, Juxtaglomerular cells, Extraglomerular mesangial 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