What is the origin of the ophthalmic artery?
What is the origin of the ophthalmic artery?
The ophthalmic artery usually originates from the internal carotid artery after it pierces the dura, emerging from the cavernous sinus on the medial side of the anterior clinoid process. Abnormal origins of the ophthalmic artery are closely related to its embryological anastomoses.
How do I remember the branches of my ophthalmic artery?
A useful mnemonic to remember the branches of the ophthalmic artery is: DR MCLESSI Mnemonic D: dorsal nasal artery R: (central) retinal artery M: muscular artery C: ciliary arteries (long, short and anterior) L: lacrimal artery E: ethmoidal arteries (anterior and posterior) S: supraorbi…
Where does supraorbital artery come from?
The supraorbital artery originates from the ophthalmic artery in the orbital fossa. Immediately after branching off, it crosses the optic nerve then runs anterolaterally along the medial border of the levator palpebrae superioris and superior rectus muscles.
What is ophthalmic vein?
Ophthalmic veins are veins which drain the eye. Ophthalmic veins. Veins of orbit.
Does ophthalmic artery pass through superior orbital fissure?
Correct Answer: Ophthalmic artery The lacrimal, frontal and trochlear nerves, as well as the ophthalmic vein, pass through the superior orbital fissure outside of the annulus of Zinn.
Is the ophthalmic artery in the brain?
The ophthalmic artery (OA) is an artery of the head. It is the first branch of the internal carotid artery distal to the cavernous sinus….
| Ophthalmic artery | |
|---|---|
| Diagram of the arterial circulation at the base of the brain (inferior view). Ophthalmic artery labeled at upper right. | |
| Details | |
| Source | Internal carotid |
Where does the ophthalmic vein go?
The superior ophthalmic vein is a vein of the orbit around the eye. It begins from the angular vein and the supraorbital vein, and passes through the superior orbital fissure to drain into the cavernous sinus.
What is the supraorbital artery?
The supraorbital artery is a branch of the ophthalmic artery supplying part of the orbit and face.
