Ophthalmic aery is a branch of:
Correct Answer: Cerebral pa of ICA
Description: The common carotid aeries bifurcate at the level of the thyroid cailage into the external and internal carotid aeries. The external carotid aery sends branches to the neck and face, whereas the internal carotid aery ascends to the base of the skull, entering the carotid canal. Upon exiting the carotid canal, the internal carotid aery courses horizontally over the foramen lacerum and enters the cavernous sinus and, after turning superiorly, divides into its terminal branches. The terminal branches of the internal carotid are as follows:Ophthalmic aery: Courses through the optic canal to supply the retina, orbit and pa of the scalp.Posterior communicating aery: Joins the posterior cerebral aery with the internal carotid aery.Anterior cerebral aery: Courses superior to the optic chiasma and enters the longitudinal cerebral fissures. The anterior cerebral aery courses superiorly and then posteriorly along the corpus callosum, providing blood supply to the medial sides of both cerebral hemispheres.Anterior communicating aery: Is a very sho aery that connects the two anterior cerebral aeries.Middle cerebral aery: Courses into the lateral fissure between the parietal and temporal lobes. It sends many branches to the lateral sides of the cerebral hemispheres and central branches into the brain. Ref: Moon D.A., Foreman K.B., Albeine K.H. (2011). Chapter 16. Brain. In D.A. Moon, K.B. Foreman, K.H. Albeine (Eds), The Big Picture: Gross Anatomy.
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