Flashcards in Pruritis Deck (7)
What nerves carry the sensation of itch?
unmyelinated C fibres
What are some of the pre-formed mediators that mast cells release upon degranulation?
What is a pruritoceptive cause of itch?
something (usually assoc, with inflam or dryness) in skin that triggers itch
What is a neuropathic cause of itch?
damage of any sort to central or peripheral nerves causing itch
What is a a neurogenic cause of itch?
no evident damage in CNS but itch caused by e.g opiate effects on CNS receptors
What is a psychogenic cause of itch?
psychological cuase with no CNS damade