endothelial cell differentiation
The process in which a mesodermal, bone marrow or neural crest cell acquires specialized features of an endothelial cell, a thin flattened cell. A layer of such cells lines the inside surfaces of body cavities, blood vessels, and lymph vessels, making up the endothelium.
GO:0030855
epithelial cell differentiation
is_a
GO:0003158
endothelium development
part_of