frontalis muscle

(redirected from Frontal belly)

fron·tal bel·ly of occipitofrontalis muscle

[TA]
the anterior belly of the occipitofrontalis muscle. See: occipitofrontalis (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
References in periodicals archive ?
The temporal branch of the facial nerve is one of the five branches of the facial nerves, which pierces the upper edge of the parotid gland, crosses the zygomatic arch to reach the temporal region, and dominates the frontal belly of the occipitofrontalis muscle, orbicularis muscle, and others (Davies et al., 2012).