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Ophthalmic artery

ophthalmicartery to the eyeLateral muscular branch
Once it branches from the ophthalmic artery, it accompanies the nasociliary nerve through the anterior ethmoidal canal to supply the anterior and middle ethmoidal cells, frontal sinus, and anterosuperior aspect of the lateral nasal wall.
The OA continues anteriorly, giving off the anterior ethmoidal artery which enters the nose after traversing the anterior ethmoidal canal and supplies the anterior and middle ethmoidal sinuses as well as the frontal sinus and also enters the cranium to supply the meninges.

Anterior ethmoidal foramen

anteriorForamen ethmoidaleanterior canal
Once it branches from the ophthalmic artery, it accompanies the nasociliary nerve through the anterior ethmoidal canal to supply the anterior and middle ethmoidal cells, frontal sinus, and anterosuperior aspect of the lateral nasal wall.
The anterior ethmoidal foramen, situated about the middle of the lateral margin of the olfactory groove, transmits the anterior ethmoidal artery, vein and nerve.

Frontal sinus

frontalfrontal air sinusesfrontal sinuses
Once it branches from the ophthalmic artery, it accompanies the nasociliary nerve through the anterior ethmoidal canal to supply the anterior and middle ethmoidal cells, frontal sinus, and anterosuperior aspect of the lateral nasal wall.
The mucous membrane in this sinus is innervated by the supraorbital nerve, which carries the postganglionic parasympathetic nerve fibers for mucous secretion from the ophthalmic nerve and supplied by the supraorbital artery and anterior ethmoidal artery.

Nasal cavity

nasal cavitiesnasal passagenasal
nasal branches. These descend into the nasal cavity through the slit by the side of the crista galli, and, running along the groove on the inner surface of the nasal bone, supply branches to the lateral wall and septum of the nose, and a terminal branch which appears on the dorsum of the nose between the nasal bone and the lateral cartilage.
Anterior ethmoidal artery and posterior ethmoidal artery, branches of the ophthalmic artery

Kiesselbach's plexus

the Little area
Kiesselbach's plexus
Anterior ethmoidal artery (branch of the ophthalmic artery)

Posterior ethmoidal artery

posterior ethmoidalposterior ethmoidal vessels
posterior ethmoidal artery
It is smaller than the anterior ethmoidal artery.

Artery

arteriesarterialarterial system
The anterior ethmoidal artery, also anterior ethmoid artery is an artery of the head.

Nasociliary nerve

nasociliarynasociliary branchNasociliary nerve of the trigeminal
Once it branches from the ophthalmic artery, it accompanies the nasociliary nerve through the anterior ethmoidal canal to supply the anterior and middle ethmoidal cells, frontal sinus, and anterosuperior aspect of the lateral nasal wall.

Ethmoid sinus

ethmoidalethmoidal cellsethmoidal sinus
Once it branches from the ophthalmic artery, it accompanies the nasociliary nerve through the anterior ethmoidal canal to supply the anterior and middle ethmoidal cells, frontal sinus, and anterosuperior aspect of the lateral nasal wall.

Skull

craniumcranialhuman skull
When entering the cranium, it gives off:

Dura mater

duraduralcovering of the spinal cord
a meningeal branch to the dura mater called anterior falx artery or anterior falcine artery.

Crista galli

nasal branches. These descend into the nasal cavity through the slit by the side of the crista galli, and, running along the groove on the inner surface of the nasal bone, supply branches to the lateral wall and septum of the nose, and a terminal branch which appears on the dorsum of the nose between the nasal bone and the lateral cartilage.

Nasal bone

nasalnasalsnasal bones
nasal branches. These descend into the nasal cavity through the slit by the side of the crista galli, and, running along the groove on the inner surface of the nasal bone, supply branches to the lateral wall and septum of the nose, and a terminal branch which appears on the dorsum of the nose between the nasal bone and the lateral cartilage.

Tympanic cavity

tegmen tympanilateral wallanterior
nasal branches. These descend into the nasal cavity through the slit by the side of the crista galli, and, running along the groove on the inner surface of the nasal bone, supply branches to the lateral wall and septum of the nose, and a terminal branch which appears on the dorsum of the nose between the nasal bone and the lateral cartilage.

Septum

septaseptateseptal
nasal branches. These descend into the nasal cavity through the slit by the side of the crista galli, and, running along the groove on the inner surface of the nasal bone, supply branches to the lateral wall and septum of the nose, and a terminal branch which appears on the dorsum of the nose between the nasal bone and the lateral cartilage.

Lateral nasal cartilage

lateral cartilagelaterallateral nasal cartilages
nasal branches. These descend into the nasal cavity through the slit by the side of the crista galli, and, running along the groove on the inner surface of the nasal bone, supply branches to the lateral wall and septum of the nose, and a terminal branch which appears on the dorsum of the nose between the nasal bone and the lateral cartilage.

Arterial tree

arterial branchesdistal descending aorta
Anterior ethmoidal artery

Middle meningeal artery

meningeal arteriesmiddle meningeal vesselsmiddle meningeal arteries
The middle meningeal artery is the largest of the three (paired) arteries that supply the meninges, the others being the anterior meningeal artery and the posterior meningeal artery.

Rhinoplasty

nose jobrhinoplastiesrhinoplastic
The principal arterial blood-vessel supply to the nose is two-fold: (i) branches from the internal carotid artery, the branch of the anterior ethmoidal artery, the branch of the posterior ethmoidal artery, which derive from the ophthalmic artery; (ii) branches from the external carotid artery, the sphenopalatine artery, the greater palatine artery, the superior labial artery, and the angular artery.

Wilhelm Kiesselbach

His name is associated with the eponymous Kiesselbach's plexus, which is the site where the anterior ethmoid artery, greater palatine artery, sphenopalatine artery and