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empezar lección

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término		definición
sclera It is a white opaque tough cover of the eyeball. empezar lección		esclerótico
cornea clear transparent covering in front of the iris and pupil to protect them. empezar lección		la córnea
lacrimal glands It is what forms the tears empezar lección		glándulas lagrimales
iris It is a circular muscle surrounding the pupil and it helps regulate the amount of light going into the eye. empezar lección		el iris
pupil It is an opening in the middle of the iris this also helps the iris regulate the amount of light going into `the eye. empezar lección		la pupila
ciliary muscles It is a ring of smooth muscle fibers that is responsible for changing the shape of the lens in the eye to achieve accommodation. empezar lección		músculos ciliares
aquous hummor the clear fluid filling the space in the front of the eyeball between the lens and the cornea. empezar lección		hummor aquous
lens It is a convex shaped disc held in place ciliary muscles they relax and contract to change the shape of the lens empezar lección		el cristalino
Vitrious hummor A jelly-like substance that holds the internal structure of the eye and gives shape to the eye empezar lección		hummor Vitrious
retina It is a thin layer at the back of the eye that is sensitive to light empezar lección		retina
choroid The layer behind the retina it contains blood vessels to nourish the retina. empezar lección		coroides
macula It is a dark red spot that has a high concentration of cone cells. empezar lección		mancha
Fovea It is a small pit in the middle of the macula with only cone cells that is why it has a high sensitivity of color and detail it is also where images are focused. empezar lección		fóvea
Optic disc It is where optic nerves attach to the back of the eye then the optic nerves sends the message to the brain. empezar lección		Disco óptico
blind spot There are no photoreceptors here so it cannot detect images. empezar lección		punto ciego
optic nerve It transfer visual information from the retina to the vision centers of the brain via electrical impulses. empezar lección		nervio óptico

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