2. -crine
Means to “secrete”
 Endo – Inside; within
 Exo- Outside; external

3. Examples
 The endocrine system is a system of glands that secretes
different types of hormones into the bloodstream
 An exocrine gland excretes product via a duct to some
environment external to itself

4. Endocrine Organs
 Hypothalamus
 Pineal gland
 Pituitary gland
 Thyroid
 Alimentary system
 Kidney
 Adrenal glands
 Reproductive system

5. Endocrine Secreted
Hormones
 Dopamine  Anti-diuretic hormone
 GHRH  Growth hormone
 Somatostatin  Prolactin
 Oxytocin  Luteinizing Hormone
 Vasopressin  Thyroid-stimulating
hormone
 Thyroxin

6. Exocrine Glands
 Salivary glands
 Bile-producing glands of the liver
 Prostate gland
 Gastric glands
 Sweat gland

7. -tropin
 -tropin – To stimulate
 Gonad/o – Sex glands

8. Gonadotropin
 Protein hormones secreted by gonadotrope cells of the
anterior pituitary
 Hormones include:
 FSH
 LH
 hCG
 eCG
 CG