Anterior ciliary arteries

Information about Anterior ciliary arteries

Artery:
The arteries of the choroid and iris. The greater part of the sclera has been removed.
Iris, front view.
Latinarteriae ciliares anteriores
subject #146 571
Suppliesconjunctiva
sclera
Sourceophthalmic artery
Dorlands/Elsevier a_61/12153861
The anterior ciliary arteries are derived from the muscular branches of the Ophthalmic Artery.

Course

They run to the front of the eyeball in company with the extraocular muscles, form a vascular zone beneath the conjunctiva, and then pierce the sclera a short distance from the cornea and end in the circulus arteriosus major.

Supplies

These arteries supply the conjunctiva & sclera.

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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Arteries of head and neck
CC, EC: Anteriorsuperior thyroid (superior laryngeal) - lingual (sublingual)
facial: cervical branches (ascending palatine - tonsillar - submental - glandular) - facial branches (inferior labial - superior labial - lateral nasal - angular)
EC: Posterior and ascendingoccipital - posterior auricular (stylomastoid) - ascending pharyngeal (meningeal branches)
EC: Terminal, superficial temporaltransverse facial - middle temporal (zygomaticorbital) - anterior auricular - frontal - parietal
EC: Terminal, maxillary1st part: anterior tympanic - deep auricular - middle meningeal (superior tympanic) - accessory meningeal - inferior alveolar (mylohyoid)
2nd part: deep temporal - pterygoid branches - masseteric - buccal
3rd part: posterior superior alveolar - infraorbital (anterior superior alveolar) - descending palatine - artery of the pterygoid canal - sphenopalatine
CC, IC: portions #1 and 2cervical portion - petrous portion (Vidian, caroticotympanic)
IC: cavernous portion/ophthalmicorbital group: lacrimal - supraorbital - posterior ethmoidal - anterior ethmoidal - medial palpebral - supratrochlear - dorsal nasal
ocular group: central retinal - ciliary (short posterior, long posterior, anterior) - superior hypophysial - inferior hypophyseal
IC: cerebral portionACA - anterior communicating - MCA (anterolateral central) - posterior communicating - anterior choroidal - circle of Willis
SUBCLAVIAN: vertebralmeningeal branches - posterior spinal - anterior spinal - PICA - basilar (pontine - labyrinthine - AICA - SCA - PCA)
SUBCLAVIAN: thyrocervicalinferior thyroid (inferior laryngeal, tracheal, esophageal, ascending cervical) - suprascapular - transverse cervical - dorsal scapular
Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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The conjunctiva is a membrane that covers the sclera (white part of the eye) and lines the inside of the eyelids.

Function

It helps lubricate the eye by producing mucus and tears, although a smaller volume of tears than the lacrimal gland.
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The sclera is the opaque (usually white), fibrous, protective layer of the eye containing collagen and elastic fibers.[1] In children, it is thinner and shows some of the underlying pigment, appearing slightly blue.
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The ophthalmic artery is a branch of the internal carotid artery which supplies branches to supply the eye and other structures in the orbit.

Branches

The branches of the ophthalmic artery are often subdivided into an orbital group and an ocular group [1] .
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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The ophthalmic artery is a branch of the internal carotid artery which supplies branches to supply the eye and other structures in the orbit.

Branches

The branches of the ophthalmic artery are often subdivided into an orbital group and an ocular group [1] .
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extraocular muscles are the six muscles that control the movements of the eye. The actions of the extraocular muscles depend on the position of the eye at the time of muscle contraction.
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The conjunctiva is a membrane that covers the sclera (white part of the eye) and lines the inside of the eyelids.

Function

It helps lubricate the eye by producing mucus and tears, although a smaller volume of tears than the lacrimal gland.
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The conjunctiva is a membrane that covers the sclera (white part of the eye) and lines the inside of the eyelids.

Function

It helps lubricate the eye by producing mucus and tears, although a smaller volume of tears than the lacrimal gland.
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The sclera is the opaque (usually white), fibrous, protective layer of the eye containing collagen and elastic fibers.[1] In children, it is thinner and shows some of the underlying pigment, appearing slightly blue.
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eMedicine is an online clinical medical knowledge base that was founded in 1996 by Scott Plantz and Richard Lavely, two medical doctors. It was sold to WebMD in January 2006.
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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Arteries are muscular blood vessels that carry blood away from the heart.[1] All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood.

The circulatory system is extremely important for sustaining life.
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Head and neck anatomy focuses on the structures of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat.
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In human anatomy, the common carotid artery is an artery that supplies the head and neck with oxygenated blood; it divides in the neck to form the external and internal carotid arteries.
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In human anatomy, the external carotid artery is a major artery of the head and neck. It arises from the common carotid artery when it bifurcates into an internal and external branch.
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The superior thyroid artery arises from the external carotid artery just below the level of the greater cornu of the hyoid bone and ends in the thyroid gland.

Relations


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The superior laryngeal artery accompanies the internal laryngeal branch of the superior laryngeal nerve, beneath the Thyreohyoideus.

It pierces the hyothyroid membrane, and supplies the muscles, mucous membrane, and glands of the larynx, anastomosing with the branch from
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The lingual artery arises from the external carotid between the superior thyroid and facial artery.

It first runs obliquely upward and medialward to the greater cornu of the hyoid bone.
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The Sublingual Artery arises at the anterior margin of the Hyoglossus, and runs forward between the Genioglossus and Mylohyoideus to the sublingual gland.

It supplies the gland and gives branches to the Mylohyoideus and neighboring muscles, and to the mucous membrane of the
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The facial artery (external maxillary artery in older texts) is a branch of the external carotid artery that supplies structures of the face.

Structure

The facial artery arises in the carotid triangle from the external carotid artery a little above the lingual
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The ascending palatine artery is an artery in the head that branches off the facial artery and runs up the superior pharyngeal constrictor muscle.

Structure

The ascending palatine artery arises close to the origin of the facial artery and passes up between the
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The tonsillar branch of the facial artery ascends between the Pterygoideus internus and Styloglossus, and then along the side of the pharynx, perforating the Constrictor pharyngis superior, to ramify in the substance of the palatine tonsil and root of the tongue.
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The submental artery is a branch of the facial artery that runs on the underside of the chin.

Course

The submental artery is the largest of the cervical branches of the facial artery, given off just as that vessel leaves the submandibular gland: it runs forward upon the
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The glandular branches of the facial artery (submaxillary branches) consist of three or four large vessels, which supply the submaxillary gland, some being prolonged to the neighboring muscles, lymph glands, and integument.
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The Iinferior labial artery (inferior labial branch of facial artery) arises near the angle of the mouth; it passes upward and forward beneath the Triangularis and, penetrating the Orbicularis oris, runs in a tortuous course along the edge of the lower lip between this
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The superior labial artery (superior labial branch of facial artery) is larger and more tortuous than the inferior labial artery.

It follows a similar course along the edge of the upper lip, lying between the mucous membrane and the Orbicularis oris, and anastomoses
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The lateral nasal branch of facial artery (lateral nasal artery) is derived from the facial artery as that vessel ascends along the side of the nose.

Supplies


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The angular artery is the terminal part of the facial artery; it ascends to the medial angle of the orbit, imbedded in the fibers of the angular head of the Quadratus labii superioris, and accompanied by the angular vein.
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