from The Century Dictionary and Cyclopedia
- n. The condition of having an abnormally short lower jaw.
Sorry, no etymologies found.
The bull-dog, for example, displays this, but in this instance the deformity is really superior brachygnathism, the superior maxilla being arrested in development.
Although null mutations induced in the mouse do not confer a severe skeletal phenotype, they do result in mild brachygnathism in the double mutant; thbs1 −/−, thbs2 −/−