cell adhesion receptor activity
The binding by a cell-adhesion protein on the cell surface to an extracellular matrix component, to mediate adhesion of the cell to the external substrate or to another cell and to initiate intracellular signaling. Cell adhesion receptors include integrins and cadherins.
GO:0038023
signaling receptor activity
is_a
GO:0098631
cell adhesion mediator activity
is_a