HBS101 Lecture Notes - Lecture 11: Proximal Tubule, Renal Corpuscle, Renal Pelvis
Document Summary
The kidneys are the body"s major excretory organs. They filter" ~180 l of fluid from blood per day and form urine (~1. 5 l/day: major renal functions: Hydrogen ion regulation (long term regulation of ph) Excretion of wastes (metabolic and bioactive substances) The urinary system: gross anatomy & basic gross anatomy of the kidney. Structural and functional units that carry out processes that form urine. Nephrons: microscopic around 1 million per kidney. Renal corpuscle = glomerulus + bowman"s capsule: renal corpuscle forms a plasma derived fluid called filtrate, glomerulus supplied blood by an afferent arteriole, around 20% of plasma volume filters into capsule, remaining leaves glomerulus by efferent arteriole. Filtrate leaves bowman"s capsule and enters the nephron tubule. Fluid reaching end of collecting ducts is considered urine: collecting ducts deliver urine into renal pelvis, renal pelvis is continuous with ureter draining that kidney. The kidneys form filtrate by a process known as glomerular filtration.
