Eye + Other Stuff Flashcards
What is the site of origin of the most of the extraocular muscles?
Common tendinous ring
Which muscle opens the eye?
Levator palpebrae superioris
Where is the fossa for lacrimal sac located?
medial wall orbit (between the anterior & posterior lacrimal crests)
Where is the fossa for lacrimal gland?
Anterolateral part of the roof of the orbit in orbital plate of frontal bone
Which nerve supplies the cornea?
Which nerve carries postganglionic parasympathetic fibers to the lacrimal gland?
Where does the nasolacrimal duct open to?
Inferior nasal meatus
What is the function of the parasympathetic postganglionic fibers of the ciliary ganglion?
innervate the sphincter pupillae (contracts the pupil) and the ciliary muscles (accommodates for near vision)
Name the muscle innervated by the trochlear nerve?
Superior oblique muscle
Name the muscle innervated by the abducent nerve?
Lateral rectus muscles
Which muscle is responsible for the accommodation?
Ciliary muscle
What is the name of the superior wall of the tympanic cavity?
Tegmental wall
What forms the promontory on the medial wall of the tympanic cavity?
Basal turn of the cochlea
Name the wall of the tympanic cavity where the internal carotid artery runs.
Carotid wall (anterior wall)
Where is the cranial exit of the chorda tympani?
Petrotympanic fissure
Name the wall of the tympanic cavity where the tympanic plexus is found.
Which part of the tympanic cavity contain the head of the malleus?
Epitympanic recess
Where does the base of the stapes fit into?
Vestibular window of inner ear
Where is the manubrium of the malleus inserted?
What are the parts of the tympanic membrane?
What is the color of the healthy tympanic membrane?
Pearly grey
