Abstract
The paired kidneys, the urine bladder, and the urethra constitute the urinary system. The kidneys remove waste products from the body, conserve water, and reabsorb electrolytes and metabolic substances. Furthermore, they are essential for maintenance of the pH homeostasis, the blood pressure, and the volume and composition of the extracellular fluid. The urine is transported from the kidneys to the urinary bladder via the paired ureters, and after storage in the urinary bladder, the urine is discharged via the urethra.
Keywords
- Kidney
- Urinary tract
- Renal pelvis
- Minor calyx
- Major calyx
- Ureter
- Urinary bladder
- Urethra
- Renal corpuscle
- Proximal convoluted tubule
- Distal convoluted tubule
- Collecting tubule
- Collecting duct
- Proximal straight tubule
- Distal straight tubule
- Vasa recta
- Medullary ray
- Cortical labyrinth
- Pyramids
- Renal columns
- Nephron
- Glomerulus
- Mesangium
- Bowman’s capsule
- The loop of Henle
- Mesangial cells
- Podocytes
- Glomerular filtration barrier
- Juxtaglomerular apparatus (JGA)
- Macula densa
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Rehfeld, A., Nylander, M., Karnov, K. (2017). The Urinary System. In: Compendium of Histology. Springer, Cham. https://doi.org/10.1007/978-3-319-41873-5_23
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DOI: https://doi.org/10.1007/978-3-319-41873-5_23
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