V1 AND V2 TRIGEMINAL NERVE-SENSORY INNERVATION HEAD AND NECK Flashcards
The V cranial nerve provides sensory innervation to the derivatives of the … pharyngeal arch and of the ….
1st, frontonasal prominence
V nerve:
carries … fibers from skin of the face and the mucosa of facial cavities
Somatic afferent
Name the three foramina through which the TERMINAL BRANCHES of the Trigeminal nerve pass:
V1: supraorbital foramen
V2: infraorbital foramen
V3: mental foramen
Name the foramina through which each division of the Trigeminal nerve passes
The central process of the sensory fibers of the Trigeminal nerve go to … in the brainstem.
A posterior sensory nucleus
Venous structures in the cranial cavity are called
Sinuses
The … is an area prone to tumours or aneurisms which can affect the nerves stemming from the Trigeminal ganglion
Cavernous sinus
Before crossing the superior orbital fissure, the ophthalmic nerve V1 divides into…
Frontal, lacrimal and nasociliary branches
Frontal branch of V1 supplies the skin of the…
Upper eyelid and forehead.
The frontal branch of V1 divides into two nerves:
Supraorbital nerve and supratrochlear nerve
Lacrimal branch of V1 pierces … and goes through it to receive…
LACRIMAL GLAND, LATERAL ASPECT EYELID AND SKIN OF FOREHEAD
Make an scheme with the branches of the ophthalmic nerve (V1)
Short ciliary nerves course through the….
Ciliary ganglion
Posterior ethmoidal nerves provide sensory innervation to the ….
Mucosa of posterior ethmoidal cells
Anterior ethmoidal nerve mainly provides sensory innervation to …
Mucosa of anterior ethmoidal cells
Skin of the tip of the nose is innervated by…
External nasal branch of anterior ethmoidal nerve
Skin of the inferomedial aspect of the eye is innervated by…
The inferior TROCHLEAR nerve (from the nasociliary branch of the oftalmic nerve V1)
Mucosa of the 1/3 of the nasal cavity is innervated by…
Septal branch of anterior ethmoidal nerve
Ciliary nerves innervate the cutaneous territory of the…
CORNEA
Arteries generally accompany…
Sensory nerves
The … a branch of the internal carotid artery provides blood to supply the orbit.
OPHTALMIC ARTERY
There is a profused vascularization of the eyelids (T/F)
True
The … comes from the external carotid artery
Facial artery
The facial artery goes towards the angle of the eye and … with branches of the ophthalmic
ANASTOMOSES
The nasal cavities are partially supplied by branches of the…
OPHTALMIC ARTERY