agnathia

Agnathia

Agnathia is complete or partial absecne of the mandible, or lower jaw bone.

Inferior is the medical term meaning "pertaining to below."
Inferior is the most commonly used medical term meaning lower in the body. in corpus inferioris
Inferior is the medical term meaning pertaining to under.
The Prefixe sub- can be used to say under or below
Epi- means above, upon or on. The prefixes sub- or infra- means below, under or beneath
In medical terminology the word inferior means "below". The word caudal (In latin cauda refers to a tail) is also used instead of "below" when discussing landmarks of the trunk.