Sensory Organs Flashcards
(Eye) Lacrimal gland
Makes tears/lacrimal fluid
(Eye) Extrinsic Eye Muscles
Holds eye/Responsible for eye movement
(Eye) Sclera
(White of the Eyes) Protection/Shape
(Eye) Cornea
Transmits Light
(Eye) Pupil
Allows Light in
(Eye) Optic Nerve
Carries electrical signal to the brain
(Eye) Iris
(Visible colored part of the eye) Adjust the light that enters the pupil
(Eye) Lens
Focuses light to Retina
(Eye) Ciliary body
Focuses the Lens
(Eye) Suspensory Ligaments
Shape of the lens
(Eye) Vitreous Humor
(Jelly-like fluid) Supports the Lens/Retina
(Eye) Retina
Holds photoreceptors (rods/cones)
(Eye) Optic disc
Holds optic nerves
(Eye) Macula Lutea➡️Fovea Centralis
(Highest concentration of cones) Sharpest vision
(Eye) Choroid coat
Supports Retina
(Ear) Regions
Outer, middle, and inner
(Ear) Functions
Balance and hearing
(Ear) Auricle
Captures sound
(Ear) external auditory canal
Carries vibration to the middle
(Ear) Tympanic Membrane
Transmits vibration to middle ear
(Ear) Ossicles
Transmit, focuses, and amplifies vibrations. (Malleus, Incus, Stapes)
(Ear) Oval Window
Allows vibration into inner ear (Behind Stapes)
(Ear) Conchlea
Holds hair cells/sound receptors
(Ear) Vestibule cochlear nerve (CN VIII)
Carries electrical signals to brain