Pseudo-stratified Ciliated Columnar Epithelium (PCCE)
A) Contains cells that are all attached to the basement membrane, although some do not reach the surface; those cells that do extend to the surface secrete mucus or contain cilia.
B) Single layer of flat cells in the lungs.
C) Single layer of cube-shaped cells in the thyroid gland.
D) Single layer of irregular cells in the stomach lining.