Mindblown: a blog about philosophy.
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Hair analysis
Investigation of the chemical composition of hair. It is used in studying exposure to toxic chemicals in the environment, in poisoning investigations, in nutritional studies, and in monitoring the course of certain diseases. The sample should be obtained from new-growth hair within 5 cm of the scalp to reduce the chance of contamination of the…
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Twisted hair
Congenitally deformed hair that is short, brittle, and coiled.
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Tactile hair
Hair that is receptive to touch or contact.
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Sensory hair
Specialized epithelial cells with hairlike processes.
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Moth-eaten hair
Patchy areas of baldness, with poorly defined borders. This type of alopecia is one of the cutaneous hallmarks of syphilis.
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Kinky hair
Short, sparse, tightly twisted hair that may be poorly pigmented.
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Burrowing hair
A hair that grows horizontally under the skin, causing a foreign body reaction.
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Beaded hair
Swellings and constrictions in the hair shaft caused by a developmental defect known as monilethrix.
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Bamboo hair
Sparse, brittle hair with bamboo-like nodes. These apparent nodes are actually partial fractures of the hair shaft, caused by an atrophic condition of the hair. Also called trichorrhexis nodosa.
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Auditory hair
The stereocilia of a specialized epithelial cell. These are present in the ear in the spiral organ of Corti, concerned with hearing; and in the crista ampullaris, macula utriculi, and macula sacculi, concerned with equilibrium.
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