Samenvatting Physiology - Urinary system and fluid homeostasis
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Course
Physiology (WBBY01105)
Institution
Rijksuniversiteit Groningen (RuG)
Summary of the lecture of the course Physiology, from the study Biology at the University of Groningen, over the urinary system and fluid homeostasis. Images included.
Hepatitis: dark urine.
Diabetes insipidus: kidneys cannot hold enough
fluid a lot of urine and constantly thirsty.
Not enough vasopressin/ADH. ADH = helps control
blood pressure by acting on the kidneys and blood
vessels. Conserves fluid volume of your body by
reducing the amount of water passed out in the
urine.
- Brattleboro rats have little vasopressin.
Renal functions
- Excretion of wastes
- Regulation of extracellular fluid volume
and blood pressure
- Regulation of osmolarity
- Maintenance of ion balance
- Production of hormones
- 1x10^6 nephrons per kidney
- 80% of the nephrons is cortical, 20% is
juxta-medullary (deeper)
- Each nephron has its own capillary system
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