sail vertebra

A hook or wedge deformity of an upper lumbar vertebra linked to physical stress, which may be seen in early-onset hypothyroidism, achondroplasia, Morquio, Hurler, and Hurler-like syndromes, metatropic dwarfism, and spondylometaphyseal dysplasia
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

sail vertebra

A hook or wedge deformity of an upper lumbar vertebra linked to physical stress, which may be seen in early-onset hypothyroidism, achondroplasia, Morquio, Hurler, and Hurler-like syndromes, metatropic dwarfism, spondylometaphyseal dysplasia.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.