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Abstract
Open Access Research in Anatomy
Preliminary Report of Pachyosteosclerotic Bones in Seals
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Open or Close Irina Koretsky and Sulman J Rahmat*
Department of Anatomy, Howard University, USA
*Corresponding author: Sulman J Rahmat, Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington DC, USA
Submission: August 08, 2017; Published: September 06, 2017
ISSN: 2577-1922 Volume1 Issue1
Abstract
Despite extensive knowledge about the distribution of pachyosteosclerosis (increased bone volume and density) among some modern groups of marine mammals, this aquatic adaptation is not well known in Phocidae (true seals). Pachyosteosclerotic bones reduce buoyancy and permit easier submergence for some marine mammals. Pachyostosis and osteosclerosis are two vastly different bone adaptations, which have co-occurred independently (termed pachyosteosclerosis). Pachyostosis describes the thickening of bone in cross-sectional area, whereas osteosclerosis is the replacement of cancellous bone with compact bone.
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