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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Respir Physiol Neurobiol. 2015 Jan 10;209:115–119. doi: 10.1016/j.resp.2015.01.001

Figure 1.

Figure 1

Evidence for the involvement of adrenal medulla in CIH-induced increases in arterial blood pressure (ABP) in response to acute intermittent hypoxia (AIH). Three groups of rats were studied: Sham-operated and normoxia-exposed (CON); Sham-operated and exposed to CIH for 10 days (CIH) and bilateral adrenal medulla ablated (AMA) and CIH-exposed (CIH+AMA). ABP was monitored before, during and after AIH challenges. Each AIH episode consists of 12% O2 for 15 s followed by 21% O2 for 5 min. Representative changes in ABP during pre-AIH, first and 10th AIH, and post-AIH periods are shown. The black bar indicates the duration of hypoxic challenge.