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The Psychology of Gray Hair.

08:00 EDT 9th March 2020 | BioPortfolio

Summary of "The Psychology of Gray Hair."

Stress has long been associated with hair graying, yet there is little evidence to substantiate this claim. In a recent issue of Nature, Zhang et al. (2020) show that stress induces the release of noradrenaline from sympathetic nerves, which depletes the stem cells that give hair their color.

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This article was published in the following journal.

Name: Developmental cell
ISSN: 1878-1551
Pages: 548-549

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Medical and Biotech [MESH] Definitions

The branch of psychology which investigates the psychology of crime with particular reference to the personality factors of the criminal.

A branch of psychology in which there is collaboration between psychologists and physicians in the management of medical problems. It differs from clinical psychology, which is concerned with the diagnosis and treatment of behavior disorders.

Hair grooming and cleansing aids or other products meant for topical application to hair, usually human. They include sprays, bleaches, conditioners, rinses, shampoos, nutrient lotions, etc.

Auditory sensory cells of organ of Corti, usually placed in one row medially to the core of spongy bone (the modiolus). Inner hair cells are in fewer numbers than the OUTER AUDITORY HAIR CELLS, and their stereocilia are approximately twice as thick as those of the outer hair cells.

Sensory cells in the organ of Corti, characterized by their apical stereocilia (hair-like projections). The inner and outer hair cells, as defined by their proximity to the core of spongy bone (the modiolus), change morphologically along the cochlea. Towards the cochlear apex, the length of hair cell bodies and their apical stereocilia increase, allowing differential responses to various frequencies of sound.

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