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22 Cards in this Set
- Front
- Back
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medullary ray contains
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straight tubules and collecting ducts
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responsible for the final concentration of the urine
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collecting ducts
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tip of the papilla
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area cribrosa
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where is the macula densa
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final portion of the thick ascending limb
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where does the proximal convoluted tubule begin
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urinary pole
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from Bowman's capsule, the sequential parts of the nephron:
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proximal convoluted tubule → thick descending (proximal straight) → thin descending → thin ascending → thick ascending (distal straight)
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where is heparan sulfate found?
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lamina rara externa
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type of epithelium in the parietal layer of Bowman's capsule
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simple squamous
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type of epithelium in the proximal convoluted tubule
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cuboidal
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mesangial cells located along the vascular pole are called
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lacis cells
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mesangial cells synthesize and secrete
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IL-1 and PDGF
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monitor Na concentration in the tubular fluid and regulate both the GFR and renin release from JG cells
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macula densa
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basal striations and apical brush border are found in which tubules
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proximal convoluted
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where is AQP-1 found
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proximal convoluted tubule, hepatocytes, RBCs, lymph nodes
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where is AQP-2 found
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distal convoluted tubule and in the epithelium of collecting tubules and ducts
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mutation of AQP-2 is linked to
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congenital nephrogenic diabetes insipidus
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water diffuses out of which nephron segment
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thin descending limb
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passive diffusion of NaCl into the interstitium occurs in the
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thin ascending limb
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constriction of the Afferent arterioles results in
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decreased GFR and decreased urine
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constriction of the Efferent arterioles results in
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increased GFR and increased urine
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does the detrusor muscle contract or relax in micturition?
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detrusor contracts
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efferent fibers of the micturition reflex
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parasympathetic from S2-S4 and pelvic splanchnic nerves
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