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Meaning of ectostosis

ec•tos•to•sis

Pronunciation: (ek"to-stō'sis, -tu-), [key]
— n.
  1. the ossification of cartilage that begins under the perichondrium and proceeds inward.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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