Matching Pairs Nail Anatomy MatchingOnline version Use this game to study the different parts of the human fingernail. by Kirsten Crowley 1 Nail plate - the actual fingernail 2 Perionychium - tissue surrounding nail 3 Hyponychium - under-fingernail skin 4 Nail Root - root lies below skin and edge appears as a white crescent 5 Eponychium - cuticle and waterproof barrier 6 Nail Bed - Contains melanin-producing blood vessels, nerves and melanocytes