Endocrine Glands

• Endocrine gland includes the

  pituitary, thyroid, parathyroid, adrenal, and pineal glands
• Endocrine Glands mainly secrete

  hormones
• Endocrine Glands do not have a duct for

  secretion
• Secretions enter


  blood or interstitial fluid
• Endocrine Glands hormones affect

  target cells