camera-type eye

camera-type eye plus associated structures

An organ of sight that includes the camera-type eyeball and supporting structures such as the lacrimal apparatus, the conjunctiva, the eyelid.

Tipo Organ
Estructura principal simple eye
Nombre latino camera-type eye plus associated structures
FMA ID 54448

Preguntas frecuentes

What structures make up the camera-type eye?
The camera-type eye includes the eyeball proper (cornea, lens, iris, retina, vitreous and aqueous humors, sclera, choroid) and accessory structures such as the eyelids (protecting and lubricating the surface), conjunctiva (mucous membrane lining), and lacrimal apparatus (tear production and drainage).
How does the camera-type eye focus light on the retina?
The cornea provides about 70% of the eye's refractive power, while the crystalline lens adds variable focusing through a process called accommodation. Ciliary muscles alter lens curvature to focus near or distant objects precisely on the photoreceptor-containing retina.
Which animals have camera-type eyes?
Camera-type eyes evolved independently multiple times (convergent evolution) and are found in vertebrates (mammals, birds, reptiles, fish), cephalopod mollusks (octopus, squid), and some annelid worms. The vertebrate and cephalopod versions, while anatomically similar, differ in retinal organization.

Estructuras relacionadas

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Educational Disclaimer

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.