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Constrictor responses of cerebral resistance arterioles in male and female rats exposed to prenatal alcohol
Our goal was to examine constrictor responses of cerebral arterioles in rats exposed to prenatal alcohol. We found that constrictor responses were preserved in adolescent and adult rats that were exposed to prenatal alcohol. We suggest that impaired dilation, with preservation of constriction, may favor a scenario leading to cerebral ischemia, and perhaps stroke. AbstractWhile it is known that dilation of cerebral arterioles to NOS-dependent agonists is impaired in rats exposed to prenatal alcohol, no studies have examined the influence of prenatal alcohol on constrictor response of cerebral arterioles. Our goal was to det...
Source: Physiological Reports - October 29, 2021 Category: Physiology Authors: Partha S. Saha, Tiffany M. Knecht, Denise M. Arrick, Michael J. Watt, Jamie L. Scholl, William G. Mayhan Tags: ORIGINAL ARTICLE Source Type: research

An Evaluation of Personal Cooling Systems for Reducing Thermal Strain Whilst Working in Chemical/Biological Protective Clothing
Conclusion: The IV, PCM, and SLIV produced lower heart rate, mean skin, rectal and mean body temperatures in addition to improved work times compared to control. The WS did not improve work times possibly as a result of the cooling capacity of the suit abating, and magnifying thermal insulation. Considering the added time and resources required to implement combination cooling in the form of ice slurry and ice vest (SLIV), there was no significant additive effect for perception, cardiovascular strain, rectal temperature and total trial time relative to the phase change vest or ice vest alone. This may be a product of a &#x...
Source: Frontiers in Physiology - April 11, 2019 Category: Physiology Source Type: research