Ontogenetic changes in skeletal muscle fiber type, fiber diameter and myoglobin concentration in the Northern elephant seal (Mirounga angustirostris)

• Published in: Frontiers in Physiology
• Main Authors: Moore, Colby D., Crocker, Daniel E., Fahlman, Andreas, Moore, Michael J., Willoughby, Darryn S., Robbins, Kathleen A., Kanatous, Shane B., Trumble, Stephen J.
• Format: Text
• Language: English
• Published: Frontiers Media S.A. 2014
• Subjects: Physiology; Nes; Nes’; Elephant Seal; Elephant Seals
• Online Access: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4050301; http://www.ncbi.nlm.nih.gov/pubmed/24959151; https://doi.org/10.3389/fphys.2014.00217

Northern elephant seals (Mirounga angustirostris) (NES) are known to be deep, long-duration divers and to sustain long-repeated patterns of breath-hold, or apnea. Some phocid dives remain within the bounds of aerobic metabolism, accompanied by physiological responses inducing lung compression, brady...