occipitofrontalis muscle


Also found in: Encyclopedia, Wikipedia.

oc·cip·i·to·fron·ta·lis mus·cle

(ok-sip'i-tō-fron-tā'lis mŭs'ĕl)
A part of musculus epicranius; the occipital belly (occipitalis muscle) arises from the occipital bone and inserts into the galea aponeurotica; the frontal belly (frontalis muscle) arises from the galea and inserts into the skin of the eyebrow and nose; action, to move the scalp; nerve supply, facial.
Synonym(s): musculus occipitofrontalis [TA] , occipitofrontal muscle.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Shearing or traction forces such as hair pulling lead to rupture of these veins and this space is wide enough to store large amounts of blood albeit limited with attachments of galea aponeurotica (orbital ridges, occipitofrontalis muscle and zygomatic arches).
Although the deeper galea aponeurotica is also mainly membranous, it contains the occipitofrontalis muscles. Because this layer is continuous laterally with the temporal fascia overlying the temporalis muscle, it is particularly sensitive to jaw tension.