part of part of has part has part in taxon develops from develops from keratin filament Mammalia cutaneous appendage skin epidermis strand of hair http://upload.wikimedia.org/wikipedia/commons/2/25/Gray945.png this class defines an individual hair fur setulae NCIT:C32705 EFO:0000958 quill whisker GAID:71 BTO:0001501 EMAPA:18769 FMA:53667 coat hair EV:0100157 A filament, mostly protein, that grows from follicles found in the dermis[WP]. vibrissa microchaeta TODO for now we treat vibrissa/whisker as a syonym, but these have different follicles. We could introduce subclasses (see also: Pangolin scales) MESH:D006197 hair MA:0000155 UBERON:0001037 CALOHA:TS-0430 VHOG:0001191 UMLS:C0018494 SCTID:361702001 MIAA:0000160 coat/ hair Wikipedia:Hair MAT:0000160 hair follicle pilosebaceous unit