| A | B | 
| glandular epithelium | tissue composed of cells that are specialized to produce and secrete substances into ducts or into body fluids | 
| exocrine glands | type of gland that secretes products into ducts that open onto some internal or external surface | 
| endocrine glands | type of gland that secretes products into tissue fluid or blood | 
| merocrine glands | glands that release watery, protein-rich fluids by exocytosis | 
| apocrine glands | glands that lose small portions of their glandular cell bodies during secretion | 
| holocrine glands | glands in which the entire cell lyses during secretion | 
| lyse | cell disintegrates | 
| merocrine gland | salivary glands are what kind of gland? | 
| merocrine gland | pancreatic glands are what kind of gland? | 
| merocrine gland | sweat glands are what kind of gland? | 
| apocrine gland | mammary glands are what kind of gland? | 
| apocrine gland | ceruminous glands lining external ear canal are what kind of gland? | 
| holocrine gland | sebaceous glands of the skin are what kind of gland? |