osteogenesis imperfecta: Meaning and Definition of

osteogen'esis im•per•fec'ta

Pronunciation: (im"pur-fek'tu), [key]
— Pathol. Pathol.
  1. a rare hereditary disease in which abnormal connective tissue development leads to fragile bones subject to fracture.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.