1. 9
The Endocrine System

2. The Endocrine System I. Introduction
A. = control system composed of Endocrine Glands that make Hormones
B. * Major Organ Systems & Processes Controlled = LIST

3. Pineal gland Hypothalamus Pituitary gland Thyroid gland
Parathyroid glands
Thymus
Adrenal glands
Pancreas
Ovary (female)
Testis (male)
Figure 9.3

4. C. How Hormones work *Hormones: Define 2. *Target Cells & Organs =
3. Protein Receptors
4. Two Mechanisms-- what Hormones do to DNA:
5. Connection to Brain: Brain/Hypothalamus
Hormone
DNA
Receptor
TTARGET CELL

5. Releasing hormones
secreted into portal
circulation
Hypothalamus
Hypothalamus
Hypothalamus
Anterior pituitary
Posterior pituitary
Hypophyseal
portal system
Adrenocorticotropic
hormone (ACTH)
Growth hormone (GH)
Bones and muscles
Prolactin (PRL)
Follicle-stimulating
hormone (FSH)
and luteinizing
hormone (LH)
Thyrotropic
hormone (TH)
Adrenal cortex
Mammary
glands
Thyroid
Testes or ovaries
Figure 9.4

6. II. Specific Hormones A. Pituitary Gland
Hypothalamus
II. Specific Hormones A. Pituitary Gland
1. *Location:
Two lobes: name and give type tissue made of

7. 2. Hormones of the Anterior Pituitary
a. Growth hormone
i) Target Organs:
ii) Functions: Metabolism
Production of proteins
Cell Division & Growth =
Fats for energy, not glucose:
iii) Disorders
Pituitary dwarfism
Gigantism

8. Hormones of the Anterior Pituitary…
b. *Prolactin
*Target Organ
*Function:
c. Thyroid-stimulating hormone
*Target Organ:
Function
Involvement of Hypothalamus:
d. Reproductive Stimulating Hormones
Function:
Involvement of Hypothalamus

9. 3. Hormones of the Posterior Pituitary
a. Antidiuretic hormone
*Target Organ
Function:
b. *Oxytocin
*Functions what are they?
(1)
(2)

10. B. Thyroid Gland *Location Hormones a. Thyroid hormone Target Cells
Functions
b. Calcitonin 10

11. Hyperthyroidism (Graves’ Disease)
Figure 9.9 11

12. C. Adrenal Glands 1. *Location: 2. Hormones-- many
Epinephrine (adrenaline)
b. Norepinephrine (noradrenaline)
Deal with: 12

13. D. Pancreas-- Pancreatic Islets
1. *Location:
2. Hormones
Together the below hormones control blood sugar
a. Insulin
b. Glucagon
Other parts of the Pancreas: 13

14. E. Gonads Location Hormones of the Ovaries Estrogens Progesterone
3. Hormones of the Testes
Testosterone 14

15. END