The macula densa. As the distal proximal tubule rises from the renal medulla, it makes close contact with the glomerulus. The cells on the side of the tubule facing the glomerulus have a distinct appearance and constitute the macular densa (Figure 1). These cells sense the NaCl content of the tubule and make changes to GFR appropriately.
Renin-Angiotensin-AldosteronSystemet, aktiveras via macula densa. Myogena Sitter på t ex glomerulära celler och cirkulerande celler i immunförsvaret.
Together, juxtaglomerular cells, extraglomerular mesangial cells and macula densa cells comprise the juxtaglomerular apparatus . Schlatter E, Salomonsson M, Persson AE, Greger R. Macula densa cells sense luminal NaCl concentration via furosemide sensitive Na+2Cl-K+ cotransport. Pflugers Arch. 1989 Jul; 414 (3):286–290. [Google Scholar] Schlatter E. Effect of various diuretics on membrane voltage of macula densa cells.
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The juxtaglomerular apparatus is a structure in the kidney that regulates the function of each nephron, the functional units of the kidney. The juxtaglomerular apparatus is named because it is next to the glomerulus. The juxtaglomerular apparatus consists of three types of cells: the macula densa, a part of the distal convoluted tubule of the same nephron juxtaglomerular cells, which secrete renin extraglomerular mesangial cells Learn macula densa cells with free interactive flashcards. Choose from 18 different sets of macula densa cells flashcards on Quizlet. Macula densa känner av urinens saltkoncentration medan mesangiecellerna överför information från macula densa till de granulära cellerna.
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Juxtaglomerulära cell 7. Macula densa 8. Myocyt (glatt muskulatur) 9. Afferent arteriol 10.
Macula densa cell function. Persson AE(1), Salomonsson M, Westerlund P, Greger R, Schlatter E, Gonzalez E. Author information: (1)Department of Physiology and Biophysics, University of Lund, Sweden. Studies concerning the sensing step in the tubuloglomerular feedback (TGF) mechanism have been conflicting.
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The macula densa participates in the regulation of renin release from juxtaglomerular granular cells. Renin secretion depends on NaCl delivery to and reabsorption by the macula-densa cells at the end of the TAL.
2021-03-12
In the kidney, the macula densa is an area of closely packed specialized cells lining the wall of the cortical thick ascending limb, at the transition to the distal convoluted tubule..
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Hvad viser billedet? Endotheliochoreal, kun fosterets celler tilbage, moderens blodkar ligger helt op ad. Fra macula densa til begyndelse af samlerør beskriv cellerne i pars convuluta dist.
Textmasterformat, Disclaimer. Author / Department HC XX. Jämförelsetal Leukocyter.
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Fra macula densa til begyndelse af samlerør beskriv cellerne i pars convuluta dist. tubulus Celler mindre acidofile, ingen børstesøm, kubiske, med karakteristisk apikale kerner.
H2O. Celler.