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. 2019 Jun 26;286(1905):20191072. doi: 10.1098/rspb.2019.1072

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© 2019 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 3. — Effects of an anoxic challenge on juvenile turtle ventricular cardiomyocyte diastolic and systolic Ca²⁺ levels. Cardiomyocytes were isolated from juvenile turtles that embryonically developed in either normoxia (N21) or chronic hypoxia (H10). Representative traces of normalized Ca²⁺ transients from (a) N21 and (b) H10 cardiomyocytes demonstrate the effects of normoxia, anoxia and reoxygenation (see legend for colour codes) on transient shape, amplitude and duration. (c) Diastolic and (d) systolic intracellular Ca²⁺ ([Ca²⁺]_i). Statistical significances are indicated by letters, for within-group differences (^abN21 and ^ABH10), and asterisks, for between-group differences (*N21 versus H10). Values are means ± s.e.m. (n = 9–10 and 10–11, for N21 and H10, respectively) and significant when p ≤ 0.05. (Online version in colour.)