Epithelium is classified by this criteria, except..

What type of epithelium that consists of a single layer of cells that attach to a basement membrane, but not all cells reach the surface?

What kind of epithelium that their surface cells are round, or as tall as they are wide ?

What we called surface modification that nonmotile, branched microvilli ?

What we called simple squamous epithelium that covers the lumina of the heart chambers, blood vessles, and lymphatic vessels ?

What we called the glands that release their secretion by exocytosis without any loss of cellular components ?

What kind of junctional complex that located upper or apical region of the cells ?

What kind of junction that have spotlike structures and are most commonly seen in the epithelium of the skin