LOWER JAWBONE Meaning and
Definition
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The lower jawbone, scientifically referred to as the mandible, is a vital structure in the human skeletal system, forming the lower part of the face and playing a fundamental role in the process of mastication. This bone is the largest and strongest bone in the face, with a U-shaped structure, and is situated below the upper jawbone (maxilla).
The lower jawbone functions as a support and frame for the lower teeth, providing stability and facilitating essential functions such as biting, chewing, and speaking. It connects to the skull via the temporomandibular joint, allowing for a wide range of movements necessary for activities such as talking and opening/closing the mouth. The mandible also serves as an anchor for various muscles involved in facial expression and chewing.
This bone is composed of a horseshoe-shaped body, housing the lower teeth, and two vertical branches known as the rami, which extend upwards on either side to form the angle of the jaw. The lower jawbone also contains important structures such as the mental foramen, through which nerves and blood vessels pass, supplying sensation and nutrients to the lower lip and chin.
In addition to its functional role, the lower jawbone is also a significant aesthetic feature, contributing to the overall appearance and symmetry of the face. It undergoes various developmental changes throughout a person's lifetime, such as growth, development, and the eruption of new teeth.
Common Misspellings for LOWER JAWBONE
- kower jawbone
- power jawbone
- oower jawbone
- liwer jawbone
- lkwer jawbone
- llwer jawbone
- lpwer jawbone
- l0wer jawbone
- l9wer jawbone
- loqer jawbone
- loaer jawbone
- loser jawbone
- loeer jawbone
- lo3er jawbone
- lo2er jawbone
- lowwr jawbone
- lowsr jawbone
- lowdr jawbone
- lowrr jawbone
Etymology of LOWER JAWBONE
The word "lower jawbone" is composed of two separate words: "lower" and "jawbone". Here is the etymology of each:
1. Lower:
The word "lower" comes from the Old English word "lāgra" or "lǣgra", which means "more low, to lie down". It is derived from the comparative form of the adjective "low". Over time, the pronunciation and spelling evolved to "lower", retaining the meaning of being positioned beneath or in a less elevated position.
2. Jawbone:
The word "jawbone" is a compound word composed of "jaw" and "bone". "Jaw" is derived from the Old English word "ēagwē", meaning "jaw, cheekbone". It has Germanic origins, with a cognate in Middle Low German ("ēgemō").
