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...
Welcome. Essentials in Writing is a video based homeschool writing curriculum in which students learn how to effectively communicate with readers in written language and become confident writers. The study of language and writing is much more than dissecting sentences and committing a list of grammar rules to memory. It includes learning rules for writing, but it also encompasses learning the concepts that are critical to effective written communication.