MICROANATOMY

Detailed explanation-1: -The intercalated ducts of the parotid are important in secretion of electrolytes into the saliva. They are lined by a flattened cuboidal epithelium containing periodic acid-Schiff (PAS)-positive cytoplasmic granules.

Detailed explanation-2: -Cuboidal epithelium: Cuboidal epithelium (with cube-shaped cells) forms the lining of kidney tubules and ducts of salivary glands, where it provides mechanical support.

Detailed explanation-3: -Simple cuboidal epithelium lines the surface of small excretory ducts in various organs and glands in the body, compose some of the kidney tubules in the kortex of the kidney, and create the covering of the ovary.