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16 Cards in this Set
- Front
- Back
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What supplies blood to the head and neck?
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The common carotid artery which has an internal and external branch.
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Where does the internal carotid enter the skull?
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Runs through the carotid canal located in the petrous portion of the temporal bone.
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What is usually the 1st major branch of the internal carotid?
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The Ophthalmic Artery
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The Ophthalmic Artery is the main blood supply to globe. What are the names of its branches?
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Central Retinal Artery
Lacrimal Artery Ciliary Arteries Ethmoid Arteries Supraorbital Artery Muscular Arteries Medial Palpebral Arteries Supratrochlear Artery Dorsonasal Artery |
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What artery eventualy forms the lateral palpebral arcades?
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The Lacrimal Artery
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The Posterior Ciliary Arteries form the short posterior ciliaries which anastomose where and forming what circle?
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The form the circle of Zinn which encircles the optic nerve at the level of the choroid.
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What arteries send branches to the conj and then pierce the sclera just outer to the limbus?
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The anterior ciliary arteries
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What arteries form the major circle of the iris?
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The anterior ciliary arteries anastomose with the branches of the long posterior ciliary which form the circle of the iris.
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What artery sends vessels to the lacrimal sac?
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The Dorsonasal artery
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What branches of the external carotid supply the ocular structures?
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Facial Artery
Superficial Temporal Artery Maxillary Artery |
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The Facial artery branches off to supply the lacrimal sac, which branch is it?
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The Angular Artery this artery anastomoses with the dorsonasal and the infraorbital artery to supply the lacrimal sac.
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What branch of the the superficial temporal artery supplies the orbicularis muscle?
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The Zygomatic Artery
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The Maxillary artery eventually enters the inferior orbital fissure as the infraorbital artery. True or False?
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True!
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Where does the superior and inferior ophthalmic vein drain into to?
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The Cavernous Sinus
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The venous branches of the retinal tissue come together and exit the eye in a single vein. What is the name of that vein?
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The central retinal vein which eventually merges with the superior ophthalmic vein.
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What veins drain the choroid?
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The vortex veins
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