Assertion: red blood cell | /r/HasProperty | unique
Facets:
value: amongst vertebrates
type: OTHER
value: among cells in the human body
type: LOCATION
Source sentences:
text: Mature red blood cells are unique among cells in the human body in that they lack a nucleus (although erythroblasts do have a nucleus).
text: Red blood cells in mammals are unique amongst vertebrates as they do not have nuclei when mature.