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

Descending branch of occipital artery

From Wikipedia, the free encyclopedia

Blood vessel

The descending branch of occipital artery, the largest branch of the occipital, descends on the back of the neck, and divides into a superficial and deep portion.

• The superficial portion runs beneath the splenius, giving off branches which pierce that muscle to supply the trapezius and anastomose with the ascending branch of the transverse cervical.
• The deep portion runs down between the semispinales capitis and colli, and anastomoses with the vertebral and with the a. profunda cervicalis, a branch of the costocervical trunk.

The anastomosis between these vessels assists in establishing the collateral circulation after ligature of the common carotid or subclavian artery.

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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