Glands and Secretion Types

Objectives

• Review of the lecture objectives.

Epithelial Tissue and Glands

• Epithelial tissue, specifically simple cuboidal and stratified columnar, form glands.
• Glands produce a product and are of two types:
  • Exocrine: External secretion.
  • Endocrine: Internal secretion.

Exocrine Glands

• Secrete a product into a duct that leads to the body's surface.
• Examples:
  • Sweat glands.
  • Salivary glands.
  • Unicellular mucous secreting goblet cells.

Endocrine Glands

• Secrete hormones into the blood or surrounding tissue fluid.
• Can be:
  • Autocrine: Affecting themselves.