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  2. Visual system - Wikipedia

    en.wikipedia.org/wiki/Visual_system

    The optic radiations, one on each side of the brain, carry information from the thalamic lateral geniculate nucleus to layer 4 of the visual cortex. The P layer neurons of the LGN relay to V1 layer 4C β. The M layer neurons relay to V1 layer 4C α. The K layer neurons in the LGN relay to large neurons called blobs in layers 2 and 3 of V1. [26]

  3. Retina - Wikipedia

    en.wikipedia.org/wiki/Retina

    The retina (from Latin rete 'net'; pl. retinae or retinas) is the innermost, light-sensitive layer of tissue of the eye of most vertebrates and some molluscs.The optics of the eye create a focused two-dimensional image of the visual world on the retina, which then processes that image within the retina and sends nerve impulses along the optic nerve to the visual cortex to create visual perception.

  4. Outline of human anatomy - Wikipedia

    en.wikipedia.org/wiki/Outline_of_human_anatomy

    The following outline is provided as an overview of and topical guide to human anatomy: . Human anatomy is the scientific study of the morphology of the adult human.It is subdivided into gross anatomy and microscopic anatomy.

  5. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    The light circle is the optic disc where the optic nerve exits the retina. The visual system in the human brain is too slow to process information if images are slipping across the retina at more than a few degrees per second. [28] Thus, to be able to see while moving, the brain must compensate for the motion of the head by turning the eyes.

  6. 10 body parts you didn't know had names - AOL

    www.aol.com/news/2014-04-22-10-body-parts-you...

    How many of these did you know? Tell us in the comments below! The canthus is where the upper and lower eyelids meet. The rasceta are the lines on the inside of your wrist. The purlicue is the ...

  7. List of systems of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_systems_of_the...

    This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. List of organ systems in the human body Part of a series of lists about Human anatomy General Features Regions Variations Movements Systems Structures Arteries Bones Eponymous Foramina Glands endocrine exocrine Lymphatic vessels Nerves Organs Systems Veins Muscles Abductors Adductors ...

  8. Eye - Wikipedia

    en.wikipedia.org/wiki/Eye

    The body of Ophiocoma wendtii, a type of brittle star, is covered with ommatidia, turning its whole skin into a compound eye. The same is true of many chitons . The tube feet of sea urchins contain photoreceptor proteins, which together act as a compound eye; they lack screening pigments, but can detect the directionality of light by the shadow ...

  9. Lateral geniculate nucleus - Wikipedia

    en.wikipedia.org/wiki/Lateral_geniculate_nucleus

    The inner two layers, (1 and 2) are magnocellular layers, while the outer four layers, (3, 4, 5 and 6), are parvocellular layers. An additional set of neurons, known as the koniocellular layers , are found ventral to each of the magnocellular and parvocellular layers.

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