Lab 8 Special senses Flashcards
Optic Nerve, Optic Disc, Retina, Ciliary Body, Lens
Sclera and Cornea
Choroid and Iris
Vitreous Humor
External Auditory Canal, Incus, Malleus, Stapes, Tympanic Membrane, Auditory tube
Cochlea,Vestibulocochlear, Vestibule, Semicircular Canal
Choroid
dark brown membrane forms posterior portion of uvea, supplies blood to all eye tunics
Ciliary Body
smooth muscle bundles surrounding lens holding it in place
Iris
colored part of eye
Inner Ear
Vestibule, cochlea, semicircular canal and vestibulocochlear nerve (cranial nerve VIII)
Middle Ear (tympanic cavity)
Malleus, incus, and stapes (small bones)
The Vestibule
2 sacs: saccule and utricle- house equilibrium receptors that respond to changes in head position
The Semicircular Canal
houses equilibrium receptors that respond to angular head movements
The Cochlea
Spiral, conical, bony chamber that contains organ of corti, hearing receptors