About: http://webisa.webdatacommons.org/273252452

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The epidermis, the surface layer of the skin, is mainly composed of keratinocytes cells, which, in humans, are renewed continuously over a 21-day cycle.
http://www.w3.org/ns/prov#wasQuotedFrom	bio-medicine.org