Polarised light micrograph of a fractured section of ox horn. Horn is composed of layers of keratin (the same substance as forms hair and nails). In addition to hair, most land mammals produce a type of hard keratin, known as horny keratin, in the form of nails, hooves, claws, horns and quills. Magnification: x68 at 10cm wide.

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Creative#:

TOP16085510

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

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N/A

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No

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