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Showing content from https://en.wikipedia.org/wiki/Sternocleidomastoid_branches_of_occipital_artery below:

Sternocleidomastoid branches of occipital artery

From Wikipedia, the free encyclopedia

Blood vessel

The two sternocleidomastoid branches of the occipital artery (sternocleidomastoid artery) arise directly from the occipital artery and are the initial two branches of this artery. Uncommonly, the lower sternocleidomastoid branch can branch directly from the external carotid.

The lower sternocleidomastoid branch passes infero-external to the hypoglossal nerve before descending into the substance of the muscle to which its name is derived. The upper sternocleidomastoid branch diverts from the main trunk at the deep border of the proximal end of the posterior digastric muscle belly, coursing with the spinal accessory nerve prior to arborising into the sternocleidomastoid.

This article incorporates text in the public domain from page 556 of the 20th edition of Gray's Anatomy (1918)

• v
• t
• e

of the

• superior laryngeal
• sternocleidomastoid branch
• infrahyoid branch
• cricothyroid branch
• glandular branches

• posterior meningeal
• pharyngeal branches
• inferior tympanic

• suprahyoid
• dorsal lingual
• deep lingual
• sublingual

• cervical branches (ascending palatine, tonsillar, submental, glandular)
• facial branches (inferior labial
• superior labial / nasal septum
• lateral nasal
• angular)

• sternocleidomastoid
• meningeal
• occipital
• auricular
• descending

• stylomastoid
• stapedial
• auricular
• occipital

• transverse facial
• middle temporal (zygomatico-orbital)
• anterior auricular
• frontal
• parietal

• anterior tympanic
• deep auricular
• middle meningeal (superior tympanic, petrosal)
• accessory meningeal
• inferior alveolar

• to muscles of mastication (deep temporal, pterygoid, masseteric)
• buccal

• posterior superior alveolar
• infraorbital (anterior superior alveolar)
• descending palatine (greater palatine, lesser palatine)
• artery of the pterygoid canal
• sphenopalatine (posterior septal branches, posterior lateral nasal)
• pharyngeal

• carotid sinus

• Vidian
• caroticotympanic

• orbital group:anterior ethmoidal
• posterior ethmoidal
• lacrimal (lateral palpebral)
• medial palpebral
• terminal (supraorbital, supratrochlear, dorsal nasal)

ocular group: central retinal

• ciliary (short posterior, long posterior, anterior)
• Circulus arteriosus major
• hypophysial (superior, inferior)

• Circle of Willis
• ACA (anterior communicating, Recurrent artery of Heubner, Orbitofrontal artery)
• MCA (anterolateral central, Prefrontal artery, Superior terminal branch, Inferior terminal branch, Anterior temporal branch)
• posterior communicating
• anterior choroidal

• meningeal
• spinal (posterior, anterior)
• basilar: pontine
• labyrinthine
• cerebellar (AICA, SCA, PICA)
• cerebral (PCA)

• inferior laryngeal
• tracheal
• esophageal
• ascending cervical
• pharyngeal
• glandular branches

• superficial branch
• deep branch / dorsal scapular
  • scapular anastomosis

• acromial branch
• scapular anastomosis

• deep cervical
• Supreme Intercostal artery

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