The surface of a migrating cell that is in contact with the substratum or cell layer. [ http://www.ncbi.nlm.nih.gov/pubmed/11598004 ]
This is just here as a test because I lose it
The surface of a migrating cell that is in contact with the substratum or cell layer. [ http://www.ncbi.nlm.nih.gov/pubmed/11598004 ]