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Stylomastoid Artery

Origin

Stylomastoid artery arises from the posterior auricular artery. It originates from a large superficial trunk which circulates the occipital artery zone in around 50% of occurrences and it originates straight from the distal external carotid artery into the remaining 50% of occurences.

Interactive Anatomical Interface

Highlight
facial artery
transverse facial artery
occipital artery
internal carotid artery
external carotid artery
carotid sinus
superficial temporal artery
Angular artery
supratrochlear artery
Supraorbital artery
inferior labial artery
superior labial artery
buccal artery
maxillary artery
temporal artery
infraorbital artery
inferior alveolar artery
Dorsal Nasal Artery
ophthalmic artery
Lingual Artery

Highlight
facial artery
transverse facial artery
occipital artery
internal carotid artery
external carotid artery
carotid sinus
superficial temporal artery
Angular artery
supratrochlear artery
Dorsal Nasal Artery

Highlight
Supraorbital artery
inferior labial artery
superior labial artery
buccal artery
maxillary artery
temporal artery
infraorbital artery
inferior alveolar artery
ophthalmic artery
Lingual Artery

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Stylomastoid Artery

Stylomastoid Artery

Insertion

• The stylomastoid artery travels via the stylomastoid foramen and origins within the facial canal, where it rapidly supplies divisions towards the chorda tympani.
• It carries onwards till it connects as well as anastomoses with the collateral facial nerve of the petrosal branch of the middle meningeal artery.
• An arterial arcade is created as a result inside the facial canal. The arcade of the facial nerve is easy to identify.

Related:   Anterior Scalene Muscle (Scalenus Anterior)

Relations

It protrudes totally on
• the petrous bone,
• the supratentorial (petrosal) as well as
• infratentorial (stylomastoid) branches
It meets at a right angle superiorly and posteriorly towards the radiolucency of the external auditory canal.


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By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Arteries, Head and Neck|0 Comments