Epithelial tissue will always ave a free surface at its apex and the cells will touch each other.
Epithelial tissue is classified based on its number of layers and its shape.
If there is only 1 layer of cells it said to be simple. If there is more than 1 layer, it is said to be
stratified. The cells come in 3 shapes: flat and round, called squamous, square, called cuboidal, or rectangular, called columnar. Thus, when you name epithelial tissue, you use both the number of layers and its shape. Hence, 1 flat layer is simple squamous whereas many layers of flat cells is stratified squamosal.
On this page are links to histology your lab book. On each page is the picture found in your lab book
followed by a serries unlabeled pictures taken by students in the between the spring of 2018 and the spring of 2020.
Be sure to look at all the different views on each page and then pick one to draw and label.
There is also a video explaining the lymph node, peyers patch, spleen, and tonsil.