frontalis

frontalis — noun

1. the flat sheet of muscle that lies just under the skin of the forehead and lifts

1.名詞C2
釋義

the flat sheet of muscle that lies just under the skin of the forehead and lifts the eyebrows; in anatomy books it is treated as the front half of the larger occipitofrontalis muscle.

例句

The anatomy lecturer asked Joaquín to point to the frontalis on the cadaver's forehead.

definite article: 'the frontalis'

When Mei raised her eyebrows in surprise, her frontalis pulled the skin of her forehead upward.

physiological action: contraction lifts the eyebrows

同義詞

文法句型

the frontalis

frontalis muscle

用法筆記

Usually appears with the definite article ('the frontalis') because each person has one such muscle on each side. Common in anatomy textbooks, plastic-surgery notes, and clinical reports rather than everyday speech.

常見錯誤

I felt a pain in my frontals.
I felt a pain in my frontalis.
💡the singular form ends in -is; there is no plural 'frontals' for this muscle.

frontalis — adjective