L2.2: Hormones

• HORMONES

  ● Chemical messengers

  ● Come from the Greek word meaning “to arouse”

  ● They control major processes:

  ○ Reproduction

  ○ Growth and development

  ○ Mobilization of body defenses

  ○ Maintenance of much of homeostasis

  ○ Regulation of metabolism
• HORMONES

  ● Secreted by endocrine cells into the extracellular fluids

  ● ENDOCRINOLOGY — scientific study of hormones and endocrine organs