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Encyclopedia > Ciliary arteries
Artery: Ciliary arteries
The ophthalmic artery and its branches. (Ciliary artery visible near center.)
The arteries of the choroid and iris. The greater part of the sclera has been removed.
Latin aa. ciliares
Gray's subject #146 571

The Ciliary Arteries are divisible into three groups, the long posterior, short posterior, and the anterior. The opthalmic artery is a branch of the internal carotid artery which supplies branches to supply the eye and other structures in the orbit: Central retinal artery Supraorbital artery Supratrochlear artery Lacrimal artery Dorsal nasal artery Short posterior ciliary arteries Long posterior ciliary arteries Posterior ethmoidal artery Anterior ethmoidal artery... Latin is an ancient Indo-European language. ...

  • The short posterior ciliary arteries from six to twelve in number, arise from the ophthalmic as it crosses the optic nerve; they pass forward around the optic nerve to the posterior part of the eyeball, pierce the sclera around the entrance of the optic nerve, and supply the choroid (up to the equator of the eye) and ciliary processes. Some branches of the short posterior ciliary arteries also supply the optic disc via a anastomotic ring (Circle of Zinn).
  • The long posterior ciliary arteries, two in number, pierce the posterior part of the sclera at some little distance from the optic nerve, and run forward, along either side of the eyeball, between the sclera and choroid, to the ciliary muscle, where they divide into two branches; these form an arterial circle, the circulus arteriosus major, around the circumference of the iris, from which numerous converging branches run, in the substance of the iris, to its pupillary margin, where they form a second arterial circle, the circulus arteriosus minor. The long posterior ciliary arteries supply the iris, ciliary body and choroid.
  • The anterior ciliary arteries are derived from the muscular branches of the Ophthalmic Artery; 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. These arteries supply the conjunctiva & sclera.

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 As such, some of the information contained herein may be outdated.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. Ophthalmology is the branch of medicine which deals with the diseases of the eye and their treatment. ... The optic nerve is the nerve that transmits visual information from the retina to the brain. ... The optic nerve is the nerve that transmits visual information from the retina to the brain. ... Wikipedia does not yet have an article with this exact name. ... The sclera is the white outer coating of the eye. ... Schematic cross section of the human eye; choroid is shown in yellow. ... The optic disc or optic nerve head is the point in the eye where the optic nerve fibres leave the retina; it is not sensitive to light and thus also known as the blind spot or anatomical blind spot. Inspection of the optic disc by ophthalmoscopy can give an indication... Iris has three main meanings, related by their derivation from the Greek word for rainbow: Iris (mythology), a messenger of the gods in Greek mythology, identified with the rainbow Iris (anatomy), the sphincter around the pupil of the eye, named after the colors in human and animal eyes Iris (plant... Schematic diagram of the human eye The ciliary body is the part of the eye containing the ciliary muscle and ciliary processes. ... Schematic cross section of the human eye; choroid is shown in yellow. ... The extraocular muscles are the six muscles that control the movements of the eye. ... The conjunctiva is a membrane that covers the sclera (white part of the eye) and lines the inside of the eyelids. ... The conjunctiva is a membrane that covers the sclera (white part of the eye) and lines the inside of the eyelids. ... The sclera is the white outer coating of the eye. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy, is an anatomy textbook widely regarded as a classic work on human anatomy. ...

Arteries of head and neckedit

EXTERNAL CAROTID: Anterior: superior thyroid - superior laryngeal - lingual (sublingual)
Section of an artery An artery or arterial is also a class of highway. ... The carotid artery is a major artery of the head and neck. ... 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. ... The lingual artery arises from the external carotid between the superior thyroid and external maxillary; it first runs obliquely upward and medialward to the greater cornu of the hyoid bone; it then curves downward and forward, forming a loop which is crossed by the hypoglossal nerve, and passing beneath the...


facial: cervical branches (ascending palatine - tonsillar - submental) - facial branches (inferior labial - superior labial - lateral nasal - angular)
The Facial artery is an artery that supplies blood to several cranial structures. ... The ascending palatine artery is an artery in the head that branches off the facial artery and runs up the superior pharyngeal constrictor muscle. ... The Angular Artery is the terminal part of the external maxillary; 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. ...


Posterior and ascending: occipital - posterior auricular - stylomastoid - ascending pharyngeal (meningeal branches)
Terminal: superficial temporal - transverse facial - middle temporal (zygomaticoörbital) - parietal branch
internal maxillary - 1st part: anterior tympanic - deep auricular - middle meningeal - superior tympanic - accessory meningeal - inferior alveolar - lingual
2nd part: deep temporal - masseteric - buccinator - posterior superior alveolar
3rd part: infraorbital - descending palatine - artery of the pterygoid canal - sphenopalatine | (Gray's s144) occipital artery ... The posterior auricular artery is small and arises from the external carotid, above the Digastricus and Stylohyoideus, opposite the apex of the styloid process. ... The Stylomastoid Artery enters the stylomastoid foramen and supplies the tympanic cavity, the tympanic antrum and mastoid cells, and the semicircular canals. ... The ascending pharyngeal artery, the smallest branch of the external carotid, is a long, slender vessel, deeply seated in the neck, beneath the other branches of the external carotid and under the Stylopharyngeus. ... Arteries of the neck - right side. ... The internal maxillary artery, the larger of the two terminal branches of the external carotid, arises behind the neck of the mandible, and is at first imbedded in the substance of the parotid gland; it passes forward between the ramus of the mandible and the sphenomandibular ligament, and then runs... The Anterior Tympanic Artery (tympanic artery) passes upward behind the temporomandibular articulation, enters the tympanic cavity through the petrotympanic fissure, and ramifies upon the tympanic membrane, forming a vascular circle around the membrane with the stylomastoid branch of the posterior auricular, and anastomosing with the artery of the pterygoid canal... The Deep Auricular Artery often arises in common with the anterior tympanic artery. ... The middle meningeal artery is typically the first branch of the first part (retromandibular part) of the maxillary artery; one of the two terminal branches of the external carotid artery. ... The pterygomeningeal artery (also accessory branch of middle meningeal artery,accessory meningeal artery, small meningeal or parvidural branch) is a branch of the maxillary artery, sometimes derived from the middle meningeal artery. ... The Inferior Alveolar Artery (inferior dental artery) descends with the inferior alveolar nerve to the mandibular foramen on the medial surface of the ramus of the mandible. ... The lingual artery arises from the external carotid between the superior thyroid and external maxillary; it first runs obliquely upward and medialward to the greater cornu of the hyoid bone; it then curves downward and forward, forming a loop which is crossed by the hypoglossal nerve, and passing beneath the... The Buccinator Artery (buccal artery) is small and runs obliquely forward, between the Pterygoideus internus and the insertion of the Temporalis, to the outer surface of the Buccinator, to which it is distributed, anastomosing with branches of the external maxillary and with the infraorbital. ... The Posterior Superior Alveolar Artery (alveolar or posterior dental artery) is given off from the internal maxillary, frequently in conjunction with the infraorbital just as the trunk of the vessel is passing into the pterygopalatine fossa. ... The Infraorbital Artery appears, from its direction, to be the continuation of the trunk of the internal maxillary, but often arises in conjunction with the posterior superior alveolar. ... The Descending Palatine Artery descends through the pterygopalatine canal with the anterior palatine branch of the sphenopalatine ganglion, and, emerging from the greater palatine foramen, runs forward in a groove on the medial side of the alveolar border of the hard palate to the incisive canal; the terminal branch of... The artery of the pterygoid canal (Vidian artery) is a small, inconstant branch which passes into the pterygoid canal and anastomoses with a branch of the internal maxillary artery. ... The Sphenopalatine Artery (nasopalatine artery) passes through the sphenopalatine foramen into the cavity of the nose, at the back part of the superior meatus. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy, is an anatomy textbook widely regarded as a classic work on human anatomy. ...


INTERNAL CAROTID: cervical portion - petrous portion - cavernous portion
ophthalmic - orbital group: lacrimal - supra-orbital - posterior ethmoidal - anterior ethmoidal - medial palpebral - supratrochlear - dorsal nasal
ocular group: central retinal - ciliary
cerebral portion: anterior cerebral - anterior communicating - middle cerebral - posterior communicating - anterior choroidal - circle of Willis | (Gray's s146 - Gray's s147) The carotid artery is a major artery of the head and neck that supplies blood to the head and neck. ... The Cervical portion (or cervical segment) of the internal carotid begins at the bifurcation of the common carotid, opposite the upper border of the thyroid cartilage, and runs perpendicularly upward, in front of the transverse processes of the upper three cervical vertebræ, to the carotid canal in the petrous portion... Cavernous portion can refer to: Cavernous part of internal carotid artery Spongy urethra (also known as cavernous portion) Category: ... The opthalmic artery is a branch of the internal carotid artery which supplies branches to supply the eye and other structures in the orbit: Central retinal artery Supraorbital artery Supratrochlear artery Lacrimal artery Dorsal nasal artery Short posterior ciliary arteries Long posterior ciliary arteries Posterior ethmoidal artery Anterior ethmoidal artery... The anterior ethmoidal artery, also anterior ethmoid artery, accompanies the nasociliary nerve through the anterior ethmoidal canal, supplies the anterior and middle ethmoidal cells and frontal sinus, and, entering the cranium, gives off a meningeal branch to the dura mater, and nasal branches. ... The retinal artery or central retinal artery branches off the ophthalmic artery, running inferior to the optic nerve within its dural sheath to the eyeball. ... The cerebral portion of internal carotid artery. ... The anterior cerebral artery supplies oxygen to most medial portions of frontal lobes and superior medial parietal lobes. ... The arterial circle and arteries of the brain. ... The middle cerebral artery (MCA) is one of the three major arteries that supplies blood to the brain. ... The arterial circle and arteries of the brain. ... The anterior choroidal artery originates from the internal carotid artery, though it will rarely arise from the middle cerebral artery. ... Circle of Willis in the human brain. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy, is an anatomy textbook widely regarded as a classic work on human anatomy. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy, is an anatomy textbook widely regarded as a classic work on human anatomy. ...


SUBCLAVIAN: vertebral: meningeal branches - posterior spinal - anterior spinal - posterior inferior cerebellar - basilar (internal auditory - anterior inferior cerebellar - superior cerebellar - posterior cerebral)
thyrocervical trunk: inferior thyroid - inferior laryngeal - ascending cervical - suprascapular - transverse cervical - dorsal scapular
internal thoracic: musculophrenic - anterior intercostal - pericardiacophrenic - superior epigastric
costocervical trunk: highest intercostal, deep cervical | (Gray's s148) The subclavian artery is a major artery of the upper thorax that mainly supplies blood to the head and arms. ... The vertebral arteries are branches of the subclavian arteries. ... In human anatomy, the anterior spinal artery is the blood vessel that supplies the anterior portion of the spinal cord. ... The posterior inferior cerebellar artery (PICA) is one of the three main arterial blood supplies for the cerebellum. ... The basilar artery is one of the arteries which the brain supplies with oxygen-rich blood. ... The anterior inferior cerebellar artery passes backward to be distributed to the anterior part of the under surface of the cerebellum, anastomosing with the posterior inferior cerebellar branch of the vertebral. ... The superior cerebellar artery arises near the termination of the basilar. ... The arterial circle and arteries of the brain. ... The thyrocervical trunk ( A12. ... The ascending cervical artery is a small branch which arises from the inferior thyroid as that vessel is passing behind the carotid sheath; it runs up on the anterior tubercles of the transverse processes of the cervical vertebræ in the interval between the Scalenus anterior and Longus capitis. ... The Dorsal scapular artery (or descending scapular artery) is a blood vessel which supplies the latissimus dorsi, levator scapulae, rhomboids, and trapezius. ... Right internal thoracic artery and its branches. ... The Anterior intercostal branches of internal thoracic artery supply the upper five or six intercostal spaces. ... Superior epigastric artery, internal thoracic artery and inferior epigastric artery. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy, is an anatomy textbook widely regarded as a classic work on human anatomy. ...


  Results from FactBites:
 
Dorlands Medical Dictionary (2599 words)
central arteries of spleen,   branches of the splenic artery after they leave the trabeculae; their tunica adventitia is replaced by a cylindrical lymphoid sheath and they pass through the aggregations of lymphatic nodules and branch out to terminate as splenic penicilli.
cerebral arteries,   the arteries supplying the cerebral hemispheres, derived from the internal carotid artery (anterior choroid, anterior cerebral, middle cerebral, and posterior communicating arteries and the circle of Willis) or from the basilar artery (posterior cerebral artery).
coronary artery, posterior descending,   ramus interventricularis posterior arteriae coronariae dextrae.
  More results at FactBites »

 
 

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