composed primarily of keratin filament nail claw galen:Nail EMAPA:35580 UBERON:0001705 UMLS:C0027342 GAID:1320 nail/claw Wikipedia:Nail_(anatomy) SCTID:72651009 The nails of humans and the claws are moth are highly similar. Both species have a proximal nail fold, cuticle, nail matrix, nail bed, nail plate, and hyponychium. Distinguishing features are the shape of the nail and the presence of an extended hyponychium in the mouse [PMC3579226] BTO:0001719 FMA:54326 A primate's nail consists of the unguis alone; the subunguis has disappeared talon NCIT:C33156 MAT:0000158 VHOG:0001361 EFO:0000956 Use this class for both the nails of primates and the homologous claws of mammals such as mouse. MA:0002703 EV:0100159 CALOHA:TS-2034 A horn-like keratin structure covering the dorsal aspect of the terminal phalanges of fingers and toes[WP]. MIAA:0000158 MESH:D009262 distal limb integumentary appendage Melissa Haendel Christopher J. Mungall