A cadherin is any of a class of transmembrane proteins important in maintaining tissue structure.

Yes

The nerve cell adhesion molecules do a number of things which include releasing energy for metabolic activities. This will also be responsible for the distribution of E-cadherin and N-cadherin in nervous system that are developing.

The Pancreas and small intestine break down fat molecules

Mara Jones has written:

'N-cadherin-mediated cell-cell adhesion in the arterial wall'