ectostosis

[ ek-to-stoh-sis, -tuh- ]
/ ˌɛk tɒˈstoʊ sɪs, -tə- /

noun

the ossification of cartilage that begins under the perichondrium and proceeds inward.

Origin of ectostosis

OTHER WORDS FROM ectostosis

ec·tos·te·al [ek-tos-tee-uh l] /ɛkˈtɒs ti əl/, adjective ec·tos·te·al·ly, adverb

Medical definitions for ectosteal (1 of 2)

ectosteal
[ ĕk-tŏstē-əl ]

adj.

Relating to the external surface of a bone.

Medical definitions for ectosteal (2 of 2)

ectostosis
[ ĕk′tŏs-tōsĭs ]

n.

Ossification in cartilage beneath the perichondrium.
The formation of bone beneath the periosteum.