The Nail Unit

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Check the spot 1, 2 or 3 to match the question with the numbered answers below, then click on submit:

Roof of the nail fold	1.	2.	3.
Floor of the nail fold	1.	2.	3.
Nail bed	1.	2.	3.

1. Ventral portion of nail plate.

2. Intermediate portion of nail plate.

3. Dorsal portion of nail plate.