attached to muscles innervated by the facial nerve skin of body occipitalis muscle occipital belly of occipitofrontalis or epicranius (humans) A muscle of the skin of the head (scalp), innervated by the facial nerve, attached to the cranium in the nuchal (occipital) region and to the facia of the scalp (galea aponurotica or epicranial aponeurosis in humans). In mammals other than humans, there is no large facia present and the most rostral fibers of the occipitalis are attached to the skin near or even overlapping with the fibers of the frontalis muscle.See Diogo 2008; Diogo et al., 2009; Burrows et al.., 2011. venter occipitalis (humans) UBERON_0010947 occipital region of cranium