staircase vertebra

A broad, flattened vertebral body with prominent articular facets and spinal processes, which is seen on a plain anteroposterior film in spondylometaphyseal dysplasia, an autosomal dominant condition with short trunk, short stature, and osseous defects
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

staircase vertebra

A broad, flattened vertebral body with prominent articular facets and spinal processes, seen on a plain AP film in spondylometaphyseal dysplasia, a condition with short trunk, short stature, and bone defects.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.