frontalis muscle


fron·tal bel·ly of occipitofrontalis muscle

[TA] the anterior belly of the occipitofrontalis muscle. See: occipitofrontalis (muscle). Synonym(s): venter frontalis musculi occipitofrontalis [TA], frontalis muscle

frontalis muscle

Front half of occipitofrontalis muscle – a facial muscle. Origin: epicranial (scalp) aponeurosis. Insertion: skin of eyebrows, root of nose. Nerve: facial (CN VII). Action: elevates eyebrows, wrinkles forehead. See: face and head for illus.See also: muscle