exostosis

Also found in: Medical, Encyclopedia, Wikipedia.

ex·os·to·sis

 (ĕk′sŏ-stō′sĭs)
n. pl. ex·os·to·ses (-sēz)
A bony growth on the surface of a bone or tooth.

[Greek exostōsis : ex-, out of; see exo- + osteon, bone; see ost- in Indo-European roots + -ōsis, -osis.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

exostosis

(ˌɛksɒˈstəʊsɪs)
n, pl -ses (-siːz)
(Pathology) an abnormal bony outgrowth from the surface of a bone
[C18: via New Latin from Greek, from ex-1 + osteon bone]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

exostosis

a knot growing on the stem or root of a plant. See also bones.
See also: Plants
an abnormal calcareous growth on a bone or tooth. See also plants.
See also: Bones
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.exostosis - a benign outgrowth from a bone (usually covered with cartilage)
growth - (pathology) an abnormal proliferation of tissue (as in a tumor)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Mentioned in
References in periodicals archive
In two separate operations, he underwent a canaloplasty with removal of the exostosis.
(34) Interestingly, although there was radiographic evidence of arthrosis (progressive exostosis with joint space narrowing), there was no correlation with clinical outcome.
Hereditary multiple exostosis is a disorder in which an osseous projection capped by cartilage develops on the metaphyses of long bones [1]; the lesion is present in the femoral proximal metaphysis in 25% of patients [2].
DISCUSSION: Osteochondroma Synonym(s): solitary osteocartilaginous exostosis [osteo- + G.
It is associated with deformation of the first metatarsophalangeal (MTP) joint, a lateral deviation of the big toe resulting in a medial deviation of the first metatarsal bone, forming an exostosis, and may be accompanied by bursitis and joint inflammation [1,2].
Furthermore, the SP may mimic exostosis and bony tumors (osteochondromas) (Mutnuru & Perubhotla, 2016; Tubbs et al.), thus, knowledge of this anatomic variant and its prevalence may be useful to the differential diagnosis of neurovascular bundle compression.
(24) Evidence of an exostosis at the metacarpal neck may denote a chronic, rather than acute, UCL tear.
The main differential diagnosis is exostosis. However, exostoses, which occur only in the external auditory canal, are non-tumoral multiple, bilateral, broad-based elevations of the tympanic bone in response to repeated exposure to cold water, whereas osteomas [8] are solitary, unilateral, pedunculated tumors of unknown origin that may invade the middle ear.
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.