BRAIN
MEDULLA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The medullary index of a hair is 0.29. Human or non-human?
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human
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non-human
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cannot be determined
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None of the above
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Explanation:
Detailed explanation-1: -It was found that; Medullary index in human hair is less than 0.25 and in animal hair is more than 0.44.
Detailed explanation-2: -Medullary index for human hair is generally less than 1/3. For animal hair, it is usually greater than 1/2.
Detailed explanation-3: -Medullary Index: The ratio of the diameter of the medulla to the diameter of the entire hair is known as the medullary index. If the medullary index is 0.5 or greater, the hair most likely is animal hair. If the medullary index is 0.33 or less, the hair most likely is human hair.
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