Acini in the parotid glands are almost exclusively of the serous type, while those in the sublingual glands are predominantly mucus cells. In the submaxillary glands, it is common to observe acini composed of both serous and mucus epithelial cells.ost animals have three major pairs of salivary glands that differ in the type of secretion they produce: 1  parotid glands produce a serous, watery secretion. 2  submaxillary (mandibular) glands produce a mixed serous and mucous secretion. 3  sublingual glands secrete a saliva that is predominantly mucous in character.
Writing is the physical manifestation of a spoken language. It is thought that human beings developed language c. 35,000 BCE as evidenced by cave paintings... Writing is the physical manifestation of a spoken language. It is thought that human beings developed language c. 35,000 BCE as evidenced by cave paintings from the period of the Cro-Magnon Man (c. 50,000-30,000...
Persuasive writing, is a form of writing in which the writer uses words to convince the reader that the writer's opinion is correct in regards to an issue.ersuasive writing sometimes involves persuading the reader to perform an action, or it may simply consist of an argument or several arguments to align the reader with the writer's point of view. Persuasive writing is one of the most commonly used writing types in the world.