A diagram of part of a salivary gland showing a serous acinus and mixed serous-mucous acinus. Salivary glands are made up of secretory acini (acini-means a rounded secretory unit) and ducts. There are two types of secretions-serous and mucous.The acini can either be serous, mucous, or a mixture of serous and mucous.A serous acinus secretes proteins in an isotonic watery fluid. diagram of part of a salivary gland showing a serous acinus and mixed serous-mucous acinus. Salivary glands are made up of secretory acini (acini-means a rounded secretory unit) and ducts. There are two types of secretions-serous and mucous.
John Cabot (Italian: Giovanni Caboto, Venetian: Zuan Chabotto; c. 1450 â c. 1500) was a Venetian navigator and explorer whose 1497 discovery of the coast of North America under the commission of Henry VII of England is commonly held to have been the first European exploration of the mainland of North America since the Norse visits to Vinland in the ...
John Cabotâs Early Life Giovanni Caboto was born circa 1450 in Genoa, and moved to Venice around 1461; he became a Venetian citizen in 1476. Evidence suggests that he worked as a merchant in the spice trade of the Levant, or eastern Mediterranean, and may have traveled as far as Mecca, then an important trading center for Oriental and Western goods.