Two basic types of acinar epithelial cells exist: Acini in the parotid glands are almost exclusively of the serous type, while those in the sublingual glands are predominantly mucous cells. In the submaxillary glands, it is common to observe acini composed of both serous and mucous epithelial cells. submaxillary (mandibular) glands-produce a mixed serous and mucous secretion. 2  sublingual glands-secrete a saliva that is predominantly mucous in character. 3  serous cells, which secrete a watery fluid, essentially devoid of mucus. 4  mucous cells, which produce a very mucus-rich secretion.
exploratory - serving in or intended for exploration or discovery; an exploratory operation; exploratory reconnaissance; digging an exploratory well in the Gulf of Mexico; exploratory talks between diplomats. explorative. nonexplorative, nonexploratory, unexplorative, unexploratory - not exploratory.
Calling your report âexploratoryâ is not an excuse for lack of definition. EXAMPLE An example in the business environment might be an exploratory study of a new management technique in order to brief a management team. This would be a vital first step before deciding whether to embrace the technique.