Bone
Developmental abnormalities
Malformations

Author: Dariusz Borys, M.D. (see Authors page)

Revised: 14 September 2016, last major update June 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed Search: Bone [title] developmental abnormalities malformations
Table of Contents
Definition / General
Definition / General
  • Failure of development of a bone (phalanx, rib, clavicle)

    Supernumerary:
  • Ribs or digits

    Syndactyly:
  • Fusion of adjacent digits

    Arachnodactylism:
  • Long, spider-like digits

    Craniorachischisis:
  • Failure of closure of spinal column and skull
  • Produces meningomyelocoele or meningoencephalocoele