Posterior auricular muscle

Posterior auricular muscle

The muscles of the auricula

Auricula in context.
Latin	musculus auricularis posterior
Gray's	subject #229 1035
Origin	Mastoid Process
Insertion	Posterior ear
Artery	Posterior auricular artery
Nerve	Posterior auricular nerve of Facial nerve
Actions	Pulls ear backward

The posterior auricular muscle consists of two or three fleshy fasciculi, which arise from the mastoid portion of the temporal bone by short aponeurotic fibers. They are inserted into the lower part of the cranial surface of the concha.

References

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

List of muscles of head and neck: the head (TA A04.1, GA 4.378)

Extraocular (CN III, IV, VI)

oblique (inferior, superior) · rectus (superior, inferior, medial, lateral) · levator palpebrae superioris (superior tarsal)

Mastication (CN V3)

masseter · temporalis (sphenomandibularis) · pterygoid (lateral, medial)

fascia: Masseteric fascia · Temporal fascia · Deep portion: cementomaxillary tendon · Superficial portion: cementomandibular tendon

Facial (CN VII)

Ear	auricular (anterior, superior, posterior) · temporoparietalis

Scalp/eyelid	occipitofrontalis (occipitalis, frontalis) · orbicularis oculi (depressor supercilii) · corrugator supercilii fascia: Galea aponeurotica

Nose	procerus · nasalis (dilatator naris) · depressor septi nasi · levator labii superioris alaeque nasi

Mouth	levator anguli oris · levator labii superioris · zygomaticus (major, minor) orbicularis oris · risorius · buccinator depressor anguli oris · depressor labii inferioris · mentalis

Palate/fauces (CN IX, X, XI)
(except TVP=V3)

veli palatini (tensor, levator) · musculus uvulae · palatopharyngeus (to pharynx) · palatoglossus (to tongue)

Tongue (CN XII)

extrinsic (genioglossus, hyoglossus/chondroglossus, styloglossus, and palatoglossus) · intrinsic (superior longitudinal, inferior longitudinal, transverse, vertical)

M: MUS, DF+DRCT

anat (h/n, u, t/d, a/p, l)/phys/devp/hist

noco(m, s, c)/cong(d)/tumr, sysi/epon, injr

proc, drug (M1A/3)