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Temporoparietalis
Other Terms:
Epicranius,
Temporoparietal muscle,
Musculus temporoparietalis,
Muscle temporo-pariétal
Muscle parts
None
Latin name
Musculus epicranius – Musculus temporoparietalis
Latin muscle parts
None
Group
Branchial arch muscle – second arch (Facial muscle)
Etymology
In English this muscle’s name is the part of the muscle upon the skull on the time wall. Epicranius come from the Greek epi meaning “upon” and kranion meaning “head, or skull.” The temporoparietal part of this muscle derives its name from the Latin tempus meaning “time,” and the Latin paries meaning “wall.” The muscle covers the parietal bone, which forms the lateral wall of the cranium. It also covers the temporal bone, or time bone, which received its name because the hair of the head covering this bone is often the first hair to turn gray during the aging process. Therefore, this region is the first to show the ravages of time.
Origin
Fascia around the superior aspect of the auricle
Insertion
Anterolateral border of the epicranial aponeurosis
Action
Assist the frontal belly in drawing the epicranial aponeurosis towards the front of the cranium. Also help tense the fascia over the temporal region of the cranium and possibly assist the anterior and superior auricular muscles with movements of the auricle.
Nerve supply
Facial nerve (Cranial nerve VII)
Blood supply
Superficial temporal artery - parietal branch
Latin
Musculus temporoparietalis
French
Muscle temporo-pariétal
