Assertion: uakari's face | /r/CreatedBy | the presence blood vessels
Facets:
value: near the surface of the skin
type: LOCATION
Source sentences:
text: The profound lack or near lack of pigment in the face and head of C. calvus results in a reddish appearance of the face and head caused by the presence blood vessels near the surface of the skin (Hershkovitz 1987; Barnett 2005).