part of part of composed primarily of fibroblast Homo sapiens dermal papilla http://upload.wikimedia.org/wikipedia/commons/3/34/Skin.jpg UBERON:0000412 follicular papilla consider adding grouping class for TAO:0001995 ! papilla skin papilla dermal papilla cell A mesodermal signaling center of the hair follicle consisting of closely packed specialized mesenchymal fibroblasts. Framed by the enlarged bulb matrix in anagen. papilla dermis papillae dermis NCIT:C32710 In humans, at the surface of the skin in hands and feet, they appear as epidermal or papillary ridges (colloquially known as fingerprints) UMLS:C0221931 papilla dermatis CALOHA:TS-0431 EMAPA:36484 NCIT:C83189 papilla corii Blood vessels in the dermal papillae nourish all hair follicles and bring nutrients and oxygen to the lower layers of epidermal cells. dermal papillae hair papilla hair follicle dermal papilla ncit has 'hair papilla' as part of hypodermis BTO:0001858 Wikipedia:Dermal_papillae FMA:70737 papilla of corium SCTID:320101005 tissue papillary layer of dermis