Endocrine

Glands:
any organ that produces a secretion

Endocrine

• Ductless
• secretes hormones directly into the bloodstream
• carried by blood or lymph

Exocrine

• Carried by a duct or organ to the surface of a tissue

Hormone

Functions of Hormones

• Regulation of:
• metabolism
• growth & development
• reproduction
• stress response
• cell permeability

Secretion & Storage of Hormones

• formed by the ER
• transported by Golgi apparatus
• nerves or chemicals signal secretions

Endocrine Gland

Anterior Lobe Hormones

• ACTH
• GH, HGH (growth hormone)
• TSH (thyroid stimulating hormone)
• Gonadtropins: FSH & LH
• LTH (prolactin)
• MSH (melanocyte stimulating hormone)

Posterior Lobe Hormones

• ADH (antiduretic homone)
• Oxytocin

Adrenal Glands

• hormones:
• secretes hormones made from cholesterol (LDL)

Ovaries

• Hormones:
• Estrogen & Progesterone

Testes

• Hormones:
• Testosterone

Pineal Gland (body)

• hormone:
• Melatonin

Thyroid

• Hormone:
• Thyroxine (T4) & (T3)
• Calcitonin

Parathyroid Glands

• Hormones:
• Parathormone

Thymus

• Hormone:
• Thymosin
• atrophies after puberty!

Pancreas

• Hormones:
• Glucagon
• Insulin