Tissue function depends on more than cell type ... these molecules move to the appropriate side of the cell — such as the basal or apical face — where they are secreted. Final organization ...

The cells interact with the matrix on the basal side, and things such as nutrients and drugs interact with the tissue inside the apical surface. Parasitic bacteria and viruses enter the intestine ...

Stem Cell Populations Within Dental & Periodontal Tissues Dental mesenchymal stem cells have been isolated from the pulp of adult and deciduous teeth, the apical part of dental papilla ...