Scientific Illustration

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  • biomedicalephemera:

    Compound Eyes of Insects

    A single unit of a compound eye is an ommatidia. Each ommatidia consists of the outward lens, the transparent crystalline cone below that, the visual cells (arranged in a radial pattern, sorta like the sections of an orange), and the pigment cells (which separate the ommatidia).

    Some insects, like the dragonfly, can have over 20,000 lenses in a single eye.

    The Animal Kingdom, Arranged After its Organization. Baron Cuvier, 1854 (posthumous publication).

    Tagged: hymenoptera cuvier bee eye compound eyes Comparative Anatomy insects anatomy 1800s natural history 1850s 1854 baron cuvier diptera

    Posted on December 28, 2011 via Biomedical Ephemera, or: A Frog for Your Boils with 116 notes

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    32. djmarinizela reblogged this from scientistintraining and added:
      I remember confusing ommatidia for onomatopoeia last year in Bio class. //fail
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      They see you when you’re sleeping, they know if you’re awake, etc.
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