Bimodal oscillations in nephron autoregulation.
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Bimodal oscillations in nephron autoregulation. / Sosnovtseva, Olga; Pavlov, A N; Mosekilde, E; Holstein-Rathlou, N-H.
I: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), Bind 66, Nr. 6 Pt 1, 2002, s. 061909.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Bimodal oscillations in nephron autoregulation.
AU - Sosnovtseva, Olga
AU - Pavlov, A N
AU - Mosekilde, E
AU - Holstein-Rathlou, N-H
PY - 2002
Y1 - 2002
N2 - The individual functional unit of the kidney (the nephron) displays oscillations in its pressure and flow regulation at two different time scales: fast oscillations associated with a myogenic dynamics of the afferent arteriole, and slower oscillations arising from a delay in the tubuloglomerular feedback. We investigate the intra- and internephron entrainment of the two time scales. In addition to full synchronization, both wavelet analyses of experimental data and numerical simulations reveal a partial entrainment in which neighboring nephrons attain a state of chaotic synchronization with respect to their slow dynamics, but the fast dynamics remain desynchronized.
AB - The individual functional unit of the kidney (the nephron) displays oscillations in its pressure and flow regulation at two different time scales: fast oscillations associated with a myogenic dynamics of the afferent arteriole, and slower oscillations arising from a delay in the tubuloglomerular feedback. We investigate the intra- and internephron entrainment of the two time scales. In addition to full synchronization, both wavelet analyses of experimental data and numerical simulations reveal a partial entrainment in which neighboring nephrons attain a state of chaotic synchronization with respect to their slow dynamics, but the fast dynamics remain desynchronized.
M3 - Journal article
C2 - 12513320
VL - 66
SP - 061909
JO - Physical Review E
JF - Physical Review E
SN - 2470-0045
IS - 6 Pt 1
ER -
ID: 8420316