1. Endocrine System ENDOCRINE GLANDS
Secrete hormones _________ into the ____________
Ductless
EXOCRINE GLANDS – secrete substances through _______(sweat, salivary, lacrimal and pancreas

2. Endocrine System
Function of the Endocrine System – to secrete __________
Hormones are _____ _____ that coordinate and direct target cells and organs.
What other system works with the Endocrine system to control functions of the body?????__________

3. Negative feedback

4. Drop in hormone level triggers a chain reaction to increase secretion
Endocrine System
Hormonal Control
NEGATIVE FEEDBACK
Drop in hormone level triggers a chain reaction to increase secretion
Blood level of hormone falls
Hypothalamus gets message and sends out hormone to pituitary gland
Pituitary gland sends out stimulating hormones to the gland, tissues or cells
Gland stimulates more hormone production
When blood levels of hormone increase, the hypothalamus tells the pituitary to stop stimulating hormones

5. Endocrine System PITUITARY GLAND the size of a ___ to a small____
Connected to the_________
2 lobes: _____and ______
The “Master Gland”

6. Endocrine System

7. Endocrine System Pituitary-Hypothalamus Relationship
Hypothalamus is part of the nervous system
It produces 2 hormones
These 2 hormones are stored in the __________ pituitary

8. Endocrine System Posterior Pituitary Lobe
VASOPRESSIN or ADH (antidiuretic hormone)
Acts to ________ __________(doesn’t allow us to urinate as much)
OXYTOCIN
What does it do???

9. Anterior Pituitary Lobe
Endocrine System
Anterior Pituitary Lobe
GROWTH HORMONE - GH responsible for __________________
PROLACTIN –production of ____________

10. Endocrine System
THYROID-STIMULATING HORMONE – TSH - stimulates___________
ADRENOCORTICOTROPIC HORMONE – ACTH – stimulates___________
FOLLICLE-STIMULATING HORMONE – FSH -stimulates growth of ___________and production of ________in females, _____ in males

11. Endocrine System LUTEINIZING HORMONE – LH stimulates__________
INTERSTITIAL CELL STIMULATING HORMONE – ICSH production of ___________ in males

12. Endocrine System THYROID GLAND H or Butterfly-shaped mass of tissue
On either side of larynx, over trachea
Produces 2 hormones:______ and ________

13. Thyroxine controls_____________
Endocrine System
THYROXINE – is controlled by the secretion of ___
(Thyroid Stimulating Hormone)
Thyroxine controls_____________
_____________________body activities
Helps with _____ production

14. Where do we get out Iodine????
Endocrine System
Thyroid hormones contain________
Where do we get out Iodine????
We get Iodine from our _____ specifically ____

15. Endocrine System Where do we want our Ca+ to be??? _________
CALCITONIN – causes ___ to be absorbed by the ____ from the _____
___________: a harmful rise in blood Ca+ levels
Is FATAL if not treated!!!!
What else do we need Ca+ for???
______________

16. Endocrine System Negative Feedback: Ca+ levels in blood increase.
_____ (from the pituitary) stimulates the thyroid to release ______________.
___________ causes Ca+ to be absorbed by the bone.
When blood levels of Ca+ return to normal, hypothalamus tells the pituitary to stop producing ______.

17. Endocrine System PARATHYROID GLANDS
Four glands, size of a grain of rice
Attached to ________ thyroid
Produces ___________

18. Endocrine System
Parathormone works with _________ to control Ca+ blood levels
When Ca+ levels in the blood ____,
Parathormone is released causing ____ to release ___ into the ______
Prevents hypocalcemia

19. directly into the blood
Endocrine System
Thymus gland part of the lymphatic system
Endocrine function: secretes ____
directly into the blood
Thymus gland gets smaller as we get older
WHY????

20. Works under the control of _____
Endocrine System
ADRENAL GLANDS
Located on top of each kidney:
Outer part cortex
Inner layer medulla
Works under the control of _____

21. Endocrine System Adrenal cortex: secretes hormones known as_________
Corticoids are ______________
1. mineralocorticoids Aldosterone
speeds up ___ absorption from the kidneys

22. Endocrine System
2. glucocorticoids “cortisone” as in hydrocortisone and Prednisone
Glucocorticoids help:
** _____ glucose levels in the blood
** _____ everyday stress
**decrease _______
** decrease ___ in injuries by inhibiting prostaglandins

23. Endocrine System 3. Androgens male sex hormones
These are the ones abused by athletes
Males liver changes
atrophy of testicles, breast enlargement
“roid rage”
Female amenorrhea, abnormal body hair, voice changes

24. Endocrine Disorders

25. Fight or Flight syndrome
Endocrine System
Medulla: secretes 2 hormones
--Epinephrine or _________ a powerful cardiac stimulant causes the
Fight or Flight syndrome
-- ___________ is the antagonist to epinephrine
What nervous system is it a part of ???
These 2 hormones DO NOT use the negative feedback system

26. ISLETS OF LANGERHANS special cells in the pancreas
Endocrine System
PANCREAS
Endocrine: secretes ______
Exocrine: secretes enzymes into digestive system to help break down food
ISLETS OF LANGERHANS special cells in the pancreas
Beta cells produce _______
Insulin – _______ blood glucose levels
Alpha cells produce _______
Glucagon _______blood glucose levels

27. coming into the _____ via the _____
Endocrine System
Pineal gland looks like a______
produces _______
-located in the 3rd ventricle and is associated with the ____________
coming into the _____ via the _____
Decrease light _______ melatonin
Increased light _______ melatonin

28. Seasonal Affective Disorder (SAD) Associated with ____________________
Endocrine System
Seasonal Affective Disorder (SAD)
Called “cabin fever” “winter blues”
It is the depression people feel during the dark days of winter
Associated with ____________________
Treatment is ______or ___________

29. Endocrine System GONADS Ovary in female Testes in male
Estrogen/ Progesterone female
Testosterone – male