Pseudostratified or stratified columnar epithelium, and are surrounded by extensive connective tissue. Within the lobules, the striated ducts are more prominent. They are lined by eosinophilic columnar cells with centrally-located nuclei. In a few places the striated nature of the basal cytoplasm can be seen. This striation is a reflection of basal cell membrane infolding and aligned mitochondria.
Intercalated ducts connect the acini with the striated ducts.
They are much smaller in diameter than striated ducts and are lined by a low cuboidal epithelium. The parotid has long intercalated ducts, and so you should be able to find examples in cross or longitudinal section with some effort. Myoepithelial cells may be found around acini, intercalated ducts, and also around striated ducts in the parotid gland. These are more easily seen in electron micrographs. The parenchyma and stroma are essentially like that described above for parotid, with a few other points.