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  1. www.penumbrainc.comPenumbra Inc | Innovating Healthcare Technologies

    Penumbra Inc develops and manufactures products for neuro, vascular, and peripheral interventions. It also offers immersive healthcare rehabilitation and mental wellness solutions with VR.

    • PRODUCTS

      PRODUCTS - Penumbra Inc | Innovating Healthcare Technologies

    • PROVIDERS

      PENUMBRA SYSTEM RED – Indication for Use Penumbra...

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      PATIENTS - Penumbra Inc | Innovating Healthcare Technologies

    • ABOUT US

      PENUMBRA SYSTEM RED – Indication for Use Penumbra...

    • INVESTORS

      Penumbra, Inc., headquartered in Alameda, California, is a...

    • Contact Us

      One Penumbra Place Alameda, CA 94502 USA. Phone and Fax. T...

    • Neuro

      Neuro - Penumbra Inc | Innovating Healthcare Technologies

    • SEC Filings

      SEC Filings - Penumbra Inc | Innovating Healthcare...

  2. en.wikipedia.org › wiki › Umbra,_penumbra_and_antumbraUmbra, penumbra and antumbra - Wikipedia

    The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. Assuming no diffraction, for a collimated beam (such as a point source) of light, only the umbra is cast.

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  4. dictionary.cambridge.org › dictionary › englishPENUMBRA | English meaning - Cambridge Dictionary

    Penumbra is a part of a shadow where some light is blocked, especially during an eclipse. Learn how to use this word in different contexts, see examples and find translations in other languages.

  5. www.merriam-webster.com › dictionary › penumbraPenumbra Definition & Meaning - Merriam-Webster

    Penumbra is a noun that means a space of partial illumination, a shaded region, or a body of rights implied in a constitution. Learn more about its etymology, synonyms, examples, and related words.

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    • Penumbra Shadow | Facts, Information, History, Types, How Dark & When
    • Eclipse Shadow: What Is the Penumbra?
    • Penumbra – Wikipédia, a enciclopédia livre

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  7. www.timeanddate.com › eclipse › penumbra-shadowEclipse Shadow: What Is the Penumbra? - timeanddate.com

    Learn about the penumbra, the lighter outer part of a shadow that causes partial eclipses of the Sun and the Moon. Find out how the penumbra's size, shape, and darkness vary depending on the distance and angle of the eclipsing object.

  8. www.dictionary.com › browse › penumbraPENUMBRA Definition & Meaning | Dictionary.com

    Penumbra is a noun that means a partial or imperfect shadow, a grayish marginal area, or a right or set of rights implicit in the U.S. Constitution. Learn more about its origin, synonyms, and how to use it in sentences.

  9. dictionary.cambridge.org › us › dictionaryPENUMBRA | definition in the Cambridge English Dictionary

    Penumbra is a part of a shadow where some light is blocked, especially in an eclipse. Learn how to use this word in sentences and find translations in different languages.