What anatomical formations are supplied by the Arteria auricularis posterior?

What anatomical formations are supplied by the Arteria auricularis posterior?

The posterior auricular artery has five branches: The stylomastoid artery extends through the stylomastoid foramen to supply structures of the middle and internal ear; bony tympanic cavity, mastoid antrum and semicircular canals. It also provides oxygenated blood to the facial nerve.

What does posterior branches of external carotid artery supply?

The posterior branch anastomoses with the posterior auricular and occipital arteries to supply the posterior scalp. The maxillary (internal maxillary) artery is the larger terminal ECA branch that supplies the deep structures of the face and sends intracranial branches to the dura and trigeminal ganglion.

What is the function of the auricularis posterior muscle?

The auricularis posterior is a facial muscle that holds the outer part of the ear in place. It originates at the mastoid process, a section of the skull just behind the ear, and receives its nerve supply from the facial nerve.

What does the posterior auricular nerve innervate?

The posterior auricular nerve (PAN) is the first extracranial branch of the facial nerve trunk. It innervates the posterior belly of the occipitofrontalis and the auricular muscles and contributes cutaneous sensation from the skin covering the mastoid process and parts of the auricle.

What is auricularis?

The auricularis superior is one of three extrinsic muscles of the ear. It is a thin, fan-shaped muscle that arises from the temporal fascia (connective tissue along the side of the head) and descends into the root of the auricle, or ear.

What is Auricularis anterior?

a or auricularis anterior : one that arises from the galea aponeurotica, inserts into the helix, and acts to protract the external ear. b or auricularis superior : one that arises from the galea aponeurotica, inserts into the cranial surface of the pinna, and acts to elevate the external ear.

What are the 8 branches of the external carotid artery?

Branches and Divisions

• Superior thyroid artery.
• Ascending pharyngeal artery.
• Lingual artery.
• Facial artery.
• Occipital artery.
• Posterior auricular artery.
• Maxillary artery.
• Superficial temporal artery.

Where is auricularis located?

Where is the auricularis anterior located?

The auricularis anterior muscle is located between the ear and the eye. It is in an area with few other points of insertion or origination, which is unusual for regions on the face.

What is Postauricular pain?

Postauricular pain occurs in about 25 percent of patients. 23. Patients may also have hyperacusis, taste disturbances, and decreased tearing. Temporal arteritis often causes temporal pain and tenderness that can involve the ear. Other symptoms include malaise, weight loss, fever, and anorexia.

Where is auricularis anterior muscle located?

What does auricularis mean?

Medical Definition of auricularis : any of three muscles attaching the cartilage of the external ear to the skull: a or auricularis anterior : one that arises from the galea aponeurotica, inserts into the helix, and acts to protract the external ear.

What are the parts of auricularis muscles?

There are three extrinsic auricular muscles—the posterior, superior, and anterior auricular muscles—and six intrinsic muscles—the helicis major and minor, tragicus, anti-tragicus, transverse and oblique muscles. These muscles have been considered vestigial in humans.

How do you remember the external carotid artery branches?

Mnemonics for the branches of the external carotid artery abound. A few colorful examples include: Some American Ladies Found Our Pyramids Most Satisfactory. Some Anatomists Like Freaking Out Poor Medical Students.

What is the largest branch of external carotid artery?

maxillary artery
The maxillary artery is the larger of the two terminal branches and arises from the external carotid artery within the parotid gland.

What is auricularis anterior?

What is the origin of the auricularis anterior muscle?