Structure of the Nephron (AQA A-Level Biology): Flashcards
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No. of nephrons per kidney
No. of nephrons per kidney
Approx. one million
Nephron definition
Nephron definition
Basic structural & functional unit of kidney
Renal/Bowman's capsule structure
Renal/Bowman's capsule structure
Cup-shaped structure surrounding glomerulus
Glomerulus
Glomerulus
Dense cluster of blood capillaries in renal capsule
Podocytes location & role
Podocytes location & role
Specialised cells in renal capsule, form filtration barriers
Proximal convoluted tubule feature
Proximal convoluted tubule feature
Has microvilli to increase surface area for absorption
Loop of Henle shape
Loop of Henle shape
Hairpin-shaped, extends from cortex into medulla & back
Collecting duct characteristics
Collecting duct characteristics
Receives from multiple nephrons, gradually widens
Efferent vs afferent arteriole diameter
Efferent vs afferent arteriole diameter
Efferent has smaller diameter than afferent
Glomerulus unique circulatory feature
Glomerulus unique circulatory feature
Capillary bed between two arterioles (not arteriole & venule)