separation of a nail from its normal attachment to the nail bed

Nail abnormality and discoloration seen in psoriasis and reactive arthritis; may be accompanied by pitting of the nail in psoriasis.

A symptom of nail psoriasis, onycholysis causes a lifting or separating of the nail from the nail bed.

loosening of the nail plate from a border. May result in Onychoptosis.

loosening and lifting of the nail plate from a border.