Chin

Chin
The frontal portion of the face at the mandible that contains the line of fusion of the two separate halves of the mandible (symphysis menti). This line of fusion encloses a triangular area called the mental protuberance (the tip of the chin). On each side, below the second premolar tooth, is the mental foramen, an opening for the passage of blood vessels and a nerve that supply the chin.
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The prominence formed by the anterior projection of the mandible, or lower jaw. SYN: mentum [TA]. [A.S. cin]
- double c. SYN: buccula.
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community health information network

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chin 'chin n the lower portion of the face lying below the lower lip and including the prominence of the lower jaw called also mentum
chin·less -ləs adj

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(chin) mentum.

Medical dictionary. 2011.

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