RO:0002219

x surrounded_by y if and only if (1) x is adjacent to y and for every region r that is adjacent to x, r overlaps y (2) the shared boundary between x and y occupies the majority of the outermost boundary of x,x surrounded_by y iff: x is adjacent to y and for every region r adjacent to x, r overlaps y.

http://purl.obolibrary.org/obo/IAO_0000125

uberon

surrounded_by

http://purl.obolibrary.org/obo/uberon.owl,http://purl.obolibrary.org/obo/cl.owl

surrounded_by

http://purl.obolibrary.org/obo/RO_0001901

Chris Mungall