Medullary interstitium

Medullary interstitium
Details
System	Urinary system
*Anatomical terminology* [edit on Wikidata]

The medullary interstitium is the tissue surrounding the loop of Henle in the renal medulla.

It functions in renal water reabsorption by building up a high hypertonicity, which draws water out of the thin descending limb of the loop of Henle and the collecting duct system. This hypertonicity, in turn, is created by an efflux of urea from the inner medullary collecting duct.^[1]

References

↑ Walter F., PhD. Boron (2003). Medical Physiology: A Cellular And Molecular Approaoch. Elsevier/Saunders. p. 1300. ISBN 1-4160-2328-3. Page 837

Anatomy of the urinary system

Layers

Renal corpuscle	Glomerulus Bowman's capsule Glomerular basement membrane Podocyte Filtration slits Mesangium Intraglomerular mesangial cell

Renal tubule	Proximal convoluted tubule Loop of Henle Descending Thin ascending Thick ascending Distal convoluted tubule Connecting tubule Collecting ducts Tubular fluid Renal papilla Minor calyx Major calyx Renal pelvis

Juxtaglomerular apparatus	Macula densa Juxtaglomerular cells Mesangium Extraglomerular mesangial cell

Secretion	clearance Pharmacokinetics Clearance of medications Urine flow rate

Reabsorption	Solvent drag sodium chloride urea glucose oligopeptides protein

Renal function	Glomerular filtration rate Creatinine clearance Renal clearance ratio Urea reduction ratio Kt/V Standardized Kt/V Measures of dialysis Hemodialysis product PAH clearance (Effective renal plasma flow Extraction ratio)

Filtration	Renal blood flow Ultrafiltration Countercurrent exchange Filtration fraction

Hormones

Other

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