Special senses Flashcards
Where is the levator palpebrae superioris?
Raises the eyelids
What muscle surrounds the eye?
Oribicularis oculi
What is the lacrimal gland
Gland lateral that produces tears
What is the lacrimal caruncle
Most medial part of eye
What are the holes in the medial part of the eyelids?
superior and inferior puncta
What are the tubes that connect to the superior and inferior puncta?
superior and inferior lacrimal canaliculi
Where do tears flow after the superior and inferior lacrimal canaliculi?
Lacrimal sac
What do tears flow after the lacrimal sac?
Nasolacrimal duct
What has the sharpest vision in the eye?
Fovea centralis
Where is the blind spot in the eye and what is it called?
optic disc is directly where optic nerve connects to retina
What liquid fills the anterior cavity?
Posterior cavity?
Aqueous humor
Vitreous humor
Which eye muscles are innervated by CN-III (Oculomotor nerve)?
Superior rectus, inferior rectus, medial rectus, and inferior oblique
The lateral rectus is innervated by?
CN-VI (Abducens nerve)
The superior oblique is innervated by what?
CN-IV (Trochlear nerve)
What is the bump directly outside the ear?
tragus
What is the tube called from the tympanic membrane to the outside of ear?
External auditory canal
What are the ossicles in order?
Malleus, incus, stapes
What is the opening that goes from the tympanic membrane to the inside of the head?
Eustachian tube
What is the vestibular apparatus
The vestibule and 3 semicircular canals
The vomer and perpendicular plate make up what?
Nasal septum
Where is the opening for the eustachian tube?
Page 554, also shown on model in class
What is the flow of Cerebral Spinal fluid?
choroid plexus, lateral ventricle, interventricular foramen, 3rd ventricle, cerebral aqueduct, 4th ventricle, lateral aperture/central canal, subarachnoid space, arachnoid granulations, superior sagital sinus or inferior sagital sinus, confluence of sinuses, transverse sinus, sigmoid sinus, through jugular foramen, internal jugular vein
What makes cerebral spinal fluid?
choroid plexus
What makes cerebral spinal fluid?
choroid plexus
