Ectostosis

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Ectostosis \Ec`tos*to"sis\, n. [NL. See {Ect-}, and {Ostosis}.]
     (Physiol.)
     A process of bone formation in which ossification takes place
     in the perichondrium and either surrounds or gradually
     replaces the cartilage.
     [1913 Webster]