Hair cast

Hair cast

1. A cast composed of parakeratotic scales attached to scalp hair but freely movable up and down the hair shaft; found in scaling dermatitis of the scalp, including dandruff, psoriasis, and seborrheic dermatitis.

Synonym: pseudonit.

2. A small, nodular accretion of epithelial cells and keratinous debris resulting from failure of the internal root sheath to disintegrate; it appears for 3 to 7 mm along the hair shaft.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 3 October 2005, at 21:16. This page has been accessed 5,399 times. 
What links here | Related changes | Permanent link