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This Concept Map, created with IHMC CmapTools, has information related to: 29a1. Nephrons, Glomerulus -Capillaries invaginates into Bowman's capsule -Proximal end of nephron, Bowman's capsule -Proximal end of nephron has layers Parietal layer -Outer layer -Simple squamous Epithelial cells, Bowman's capsule -Proximal end of nephron has layers Visceral layer, Proximal tubule -Low columnar to cuboidal -Tight junctions -Brush border microvilli -Basal infoldings see CaTOS-1 -Cell junctions -Microvilli -Basal infoldings, NEPHRONS types Juxtamedullary nephron -Renal corpuscle found closer to medulla -Loop of henle projects into medullary papilla, NEPHRONS is Functional unit of absorption and filtration, Loop of Henle -U-shaped -Thick and thin portions split into Descending part -Permeable to H20, ions -More permeable to H20 -Makes filtrate hypertonic, Loop of Henle -U-shaped -Thick and thin portions split into Ascending part -Contain Na+/K+/2Cl symporter -Removes ions from filtrate -Impermeable to water -Thus as ions reabsorbed filtrate becomes hypotonic, Glomerulus -Capillaries is intimately associated with Visceral layer, NEPHRONS consist of Proximal tubule -Low columnar to cuboidal -Tight junctions -Brush border microvilli -Basal infoldings, NEPHRONS consist of Distal tubule -NO brush border -Makes final adjustment of water, salt, pH -H+ can be secreted into lumen -Drains into collecting tubule, Efferent glomerular arteriole -Drains glomerulus note, both are Arteries (Arterial capillary bed) -Branches of Interlobular arteries, Distal tubule -NO brush border -Makes final adjustment of water, salt, pH -H+ can be secreted into lumen -Drains into collecting tubule distal to Loop of Henle -U-shaped -Thick and thin portions, Loop of Henle -U-shaped -Thick and thin portions found in Medulla, Glomerulus -Capillaries lies between vasculature See Kidney blood supply (CaTOS-3), Kidney part of Urinary system, Parietal layer -Outer layer -Simple squamous Epithelial cells see Epithelial membranes (CaTOS-2), Peritubular capillaries -Cortical nephrons Cortical nephron -Short -Most common -Renal corpuscle found in middle & outer portions of cortex -Almost no loop of henle, Reabsorption -100% of -Amino acids -Glucose -Small proteins -Vitamins -Bicarbonate -80% of Na ions -65% H20 associated with blood vessles Peritubular capillaries -Cortical nephrons, Proximal tubule -Low columnar to cuboidal -Tight junctions -Brush border microvilli -Basal infoldings involved with Reabsorption -100% of -Amino acids -Glucose -Small proteins -Vitamins -Bicarbonate -80% of Na ions -65% H20