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Afferent arterioles information


Afferent arterioles
Scheme of renal tubules and its vascular supply. (Label "Afferent vessel" is visible in upper left.)
Distribution of bloodvessels in cortex of kidney.
Details
Frominterlobular artery
Suppliesglomerular capillaries
Identifiers
Latinarteriola glomerularis afferens
TA98A08.1.03.005
FMA272216 77042, 272216
Anatomical terminology
[edit on Wikidata]

The afferent arterioles are a group of blood vessels that supply the nephrons in many excretory systems. They play an important role in the regulation of blood pressure as a part of the tubuloglomerular feedback mechanism.

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.

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Afferent arterioles

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the blood pressure of the afferent arterioles by decreasing the synthesis of adenosine or ATP. If the efferent arterioles are constricted then the blood...

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Afferent

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Look up afferent in Wiktionary, the free dictionary. Afferent may refer to: Meaning "conveying towards a center": Afferent arterioles, blood vessels that...

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Macula densa

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has two effects: (1) it decreases resistance to blood flow in the afferent arterioles, which raises glomerular hydrostatic pressure and helps return the...

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Juxtaglomerular apparatus

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where the afferent arterioles enter the glomerulus and the efferent arteriole leaves it, the tubule of the nephron touches the arterioles of the glomerulus...

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Interlobular arteries

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corresponding efferent arteriole arises and then exits the capsule near the point where the afferent arteriole enters. Distally, efferent arterioles branch out to...

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Angiotensin

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renal perfusion pressure; however, constriction of the afferent and efferent glomerular arterioles will tend to restrict renal blood flow. The effect on...

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Renal circulation

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artery supplies several interlobular arteries that feed into the afferent arterioles that supply the glomeruli. After filtration occurs, the blood moves...

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Juxtaglomerular cell

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smooth muscle cells mainly in the walls of the afferent arterioles (and some in the efferent arterioles)[citation needed] that deliver blood to the glomerulus...

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Diabetic nephropathy

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kidney). Initially, there is constriction of the efferent arterioles and dilation of afferent arterioles, with resulting glomerular capillary hypertension and...

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Tubuloglomerular feedback

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at the angle between the afferent and efferent arterioles. The macula densa's position enables it to rapidly alter afferent arteriolar resistance in response...

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Glomerular filtration rate

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maintenance of GFR is the differential basal tone of the afferent (input) and efferent (output) arterioles (see diagram). In other words, the filtration rate...

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Efferent arteriole

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The efferent arterioles are blood vessels that are part of the urinary tract of organisms. Efferent (from Latin ex + ferre) means "outgoing", in this case...

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Blood pressure

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macula densa releases adenosine which causes constriction of the afferent arterioles. At the same time, the juxtaglomerular cells sense the decrease in...

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Loop diuretic

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the kidney. Prostaglandin-mediated vasodilation of preglomerular afferent arterioles increases the glomerular filtration rate (GFR) and facilitates diuresis...

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Nephron

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The rest passes into an efferent arteriole. The diameter of the efferent arteriole is smaller than that of the afferent, and this difference increases the...

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Azotemia

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resulting in renin secretion through β 1 -receptors. Constriction of the afferent arterioles causes a decrease in the intraglomerular pressure, reducing GFR proportionally...

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Mammalian kidney

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blood from afferent arterioles, which originate in the interlobular arteries with intermediate formation of prearterioles. Each afferent arteriole divides...

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Renal corpuscle

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location of the glomerulus. At the vascular pole, the afferent arterioles and efferent arterioles enter and leave the glomerulus in the Bowman's capsule...

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Atrial natriuretic peptide

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 ANP directly dilates the afferent arteriole and counteracts the norepinephrine induced vasoconstriction of the afferent arteriole.  Some studies suggest...

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Kidney

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artery supplies several interlobular arteries that feed into the afferent arterioles that supply the glomeruli. Blood drains from the kidneys, ultimately...

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Extraglomerular mesangial cell

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the distal convoluted tubule and the juxtaglomerular cells of the afferent arteriole. The specific function of extraglomerular mesangial cells is not well...

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Assessment of kidney function

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physiologic maintenance of GFR is the differential basal tone of the afferent and efferent arterioles (see diagram). In other words, the filtration rate is dependent...

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Glomus tumor

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by Masson in 1924. Histologically, glomus tumors are made up of an afferent arteriole, anastomotic vessel, and collecting venule. Glomus tumors are modified...

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Renin

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The enzyme renin is secreted by pericytes in the vicinity of the afferent arterioles and similar microvessels of the kidney from specialized cells of...

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Natriuretic peptide

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filtration rate by inducing vasodilatation of afferent arterioles and vasoconstriction of efferent arterioles Induction of natriuresis by inhibiting Na+...

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