masseteric fascia masseteric fascia the masseteric fascia (parotideomasseteric fascia) is a strong layer of fascia derived from the deep cervical fascia on the human head and neck. it covers the masseter, and is firmly connected to it. above, this fascia is attached to the lower border of the zygomatic arch, and behind, it invests the parotid gland proceeding into the parotid fascia. masseteric fasciamuscles of the head, face, and neck (masseter visible to left of ear)detailsidentifierslatinfascia masseterica or fascia parotideomassetericata98a04.1.04.011ta22136fma76861anatomical terminology