vermilion border

English

Noun

vermilion border (plural vermilion borders)

  1. (anatomy) The normally sharp demarcation between the lip (red-coloured) and the adjacent normal skin, representing the change in the epidermis from highly keratinized external skin to less keratinized internal skin.
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.