Eye and Ear

EYE

Vitreous gel: is a thick, colorless, gel-like fluid that fills the large space in the middle of the eye. It helps the eyeball maintain its shape.

Optic nerve: transmits visual information from the retina to the brain.

Macula: is an oval-shaped highly pigmented yellow spot near the center of the retina.

Fovea: is responsible for sharp central vision.

Retina: is a light sensitive tissue lining the inner surface of the eye.

Iris: by contraction and dilatation, regulates the entrance of light into the eye.

Cornea: is a lens that helps to shield the rest of the eye from germs, drust...

Pupil: it regulates the amount of light that enters the eye.

Lens: it reflects the light.

EAR

Auricle (pinna): it prottect the inner ear.

Auditory canal: it carries the vibration from outer ear to the inner ear.

Semicircular canals: it helps maintain balance.

Cochlea: it moves in response to the vibrations coming from the middle ear.

Incus (anvil): it transmits the sound vibrations from the malleus to the stapes.

Stapes (stirrup): it transmits the sound vibrations from the incus to the membrane of the inner ear inside the fenestra ovalis.

Malleus (hammer): it transmits the sound vibrations from the eardrum to the incus.

Tympanic membrane (eardrum): it transmits sound from the air to the ossicles inside the middle ear.