Term
| What is the macula densa? |
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Definition
| Sodium sensor in part of the distal convoluted distal tubule in the juxtaglomerular apparatus of the kidney |
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Term
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Definition
| Modified smooth muscle of afferent arteriole in the juxtaglomerular apparatus of the kidney |
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Term
| How is the glomerular basement membrane formed? |
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Definition
| From the fusion of endothelial and podocyte basement membranes. |
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Term
| What is the primary regulatory control of zona glomerulosa secretion? |
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Definition
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Term
| What is the function of the JG cells? |
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Definition
| Secrete renin and erythropoietin |
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Term
| When do the JG cells secrete renin? |
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Definition
| In response to decreased renal BP, decreased sodium delivery to distal tubule, and increased sympathetic tone |
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Term
| Plasma is filtered on the basis of what properties? |
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Definition
| Filtration of plasma occurs according to net charge and size. |
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Term
| What is the glomerular basement membrane responsible for? |
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Definition
| Responsible for the actual filtration of plasma. |
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Term
| What is the glomerular basement membrane coated with? (provides negative charge to filter). |
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Definition
| Negatively charged heparan sulfate (to repell negative charged albumin) |
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Term
| What is not filtered in the glomerulus? |
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Definition
| Albumin due to the size and the negative charged heparan lined membrane. |
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Term
| Where does ADH have its effect |
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Definition
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Term
| What does ADH cause to be inserted into the collecting duct? |
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Definition
| Aquaporins (Aquaporin II) |
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Term
| What is another name for ADH? |
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Definition
| Vasopressin (Always ask yourself: Is there another name for this term?) |
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Term
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Definition
| Posterior Pituitary (Neurohypophesis) Made From the Supra Optic Nucleii in the Hypothalmus |
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Term
| What filtrate is totally filtered and neither secreted nor reabsorbed? |
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Definition
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Term
| para-aminohippurate (PAH) |
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Definition
| Used to measure renal plasma flow |
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Term
| How does ADH influence osmolarity? |
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Definition
| Decreases osmolarity (dilutes plasma) |
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