Urinary pt 3 Flashcards
What is afferent arteriole?
Blood enters glomerulus and starts to filter blood plasma
What is efferent arteriole?
Blood leaving the glomerulus and branches into peritubular capillaries or vasa recta
What are peritubular capillaries?
Intertwined around PCT and DCT and mostly in cortex of kidney
Filtration membrane characteristics
Porous, thin, negatively charged structures and formed by glomerulus and visceral layer of glomerular capsule
What is endothelium of glomerulus?
Fenestrated, allows plasma and dissolved substances to pass easily and restricts passages of large structure
What is basement membrane of glomerulus?
Contains glycoprotein and proteoglycan molecules that restrict large plasma proteins from passing
What is visceral layer of glomerular capsule?
Outermost layer wrapping around glomerular capillaries
What are podocytes?
Composed of specialized cells that restrict passes in the visceral layer
What are pedicels?
Have long processes that support capillary wall
What are filtration slits?
Separated by thin spaces and restrict passage of most small proteins
What can filtrate through the membrane?
Water, glucose, amino acids, ions, urea