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retina    音标拼音: [r'ɛtənə]
n. 视网膜

视网膜

retina
网膜

retina
n 1: the innermost light-sensitive membrane covering the back
wall of the eyeball; it is continuous with the optic nerve

Retina \Ret"i*na\, n. [NL., from L. rete a net. Cf. {Reticule}.]
(Anat.)
The delicate membrane by which the back part of the globe of
the eye is lined, and in which the fibers of the optic nerve
terminate. See {Eye}.
[1913 Webster]

Note: The fibers of the optic nerve and the retinal blood
vessels spread out upon the front surface of the
retina, while the sensory layer (called Jacob's
membrane), containing the rods and cones, is on the
back side, next the choroid coat.
[1913 Webster]


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  • Retina of the Eye: What It Is, Function Anatomy - Cleveland Clinic
    What is the retina of the eye? The retina is a layer of cells at the back of your eyeball that converts light into nerve signals It then sends those signals along your optic nerve to your brain Your brain processes those signals into your sense of vision
  • Retina - Wikipedia
    The retina translates an optical image into neural impulses starting with the patterned excitation of the colour-sensitive pigments of its rods and cones, the retina's photoreceptor cells
  • Retinal diseases - Symptoms and causes - Mayo Clinic
    The retina contains millions of light-sensitive cells, called rods and cones, and other nerve cells that receive and organize visual information The retina sends this information to the brain through the optic nerve, enabling you to see
  • RETINA - LWW
    RETINA provides current information on diagnostic and therapeutic techniques in vitreoretinal disorders Subscribe to this must have journal today!
  • 10 Layers of Retina: Structure, Diagram Functions
    The retina is the innermost, light-sensitive layer of the eye Its primary job is to convert light energy into electrical signals, which are then sent to the brain via the optic nerve to be interpreted as images
  • Orange County Retina | Macular Degeneration Santa Ana | Newport Beach
    At Orange County Retina, our specialists will diagnose, treat, and manage a wide variety of retinal diseases and conditions unique to your specific needs Just like your eyes, no two treatments are the same
  • Retina: Function, Location, Health Problems, and More - WebMD
    One of the most important parts within the eye is the retina What Is the Retina? The retina is the layer of cells positioned at the back of your eyeball This layer senses the light that comes
  • Retina | Definition, Function, Facts | Britannica
    Retina, layer of nervous tissue that covers the inside of the back two-thirds of the eyeball, in which stimulation by light occurs, initiating the sensation of vision
  • Layers of Retina: All 10 Layers, Anatomy and Their Function
    Light bounces off the world, travels through the cornea and lens, and lands on the retina, a thin, multi-layered sheet at the back of the eye In less than a blink, the retina converts that light into electrical signals that the brain can understand





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