1. Lab 27. The Endocrine System

2. For Your Safety Read the two sheets (green and pink)
Sign the yellow sheet
Under 18? Please see me.
Sign out the microscope you will use this quarter.

3. Lab safety First aid kit at the front Fire extinguisher at the back
Eye wash at sink
Showers in the back
Anyone else “First Aid” certified?

4. Lab Safety No eating or drinking in lab Clean up rule:
It is your responsibility to clean up after yourself and put everything back clean and where it belongs.

5. Lab clean up Put models back, as you found them Put microscopes back
Put slides back in the proper box and correctly inserted.
(Another class comes in right after you – those students should not have to search for misplaced items!)

6. Lab clean up Dispose of other items as follows:
Paper towels go in the trash
Broken glass and slide cover slips go in “broken glass” container
Biological waste goes in red bucket:
Empty slides get rinsed, dried, and returned to box
Dissection tools: clean or put in wash
Wipe down your bench area when done

7. MICROSCOPE SIGN UP
Sign in on the sheet next to you microscope number –
Use this same microscope for the quarter

8. BIOLOGY TUTORING Monday 2-6 pm AS 1615 Tuesday Wednesday Thursday
Friday
12-4 pm
Saturday
10-2pm
AS 1614
Mike
A&P
Moira
Gen. Bio.
Majs.  Bio.
David
A&P, Micro
Majs. Bio.
Ray

9. Endocrine Organs

10. Pituitary Gland

11. Pituitary A B C

12. Pituitary Control

13. Thyroid Gland
Follicles: follicular cells surrounding lumen filled with thyroglobulin T3, T4
C Cells (parafollicular cells): Calcitonin

14. Thyroid

15. Parathyroid Gland
Chief cells:
Oxyphil cells

16. Adrenal Glands

17. Adrenal Glands Cortex Medulla: epinepherine and norepinepherine
Zona glomerulosa: mineralcorticoids
Zona fasciculata: glucocorticoids
Zona reticularis: sex steroids
Medulla: epinepherine and norepinepherine

18. Pancreas

19. Pancreas Endocrine pancreas: Exocrine pancreas: Islets of Langerhans
Alpha cells: glucagon
Beta cells: insulin
Exocrine pancreas:
Acinar cells: digestive
juices, buffers

20. Male Gonad: Testis
Interstitial Cells:
Secrete testosterone

21. Female Gonad: Ovary Follicular cells: secrete estrogens
As corpus luteum, secrete estrogen and progesterone

22. Today’s Lab Examine slides: Complete review sheet
Thyroid gland
Parathyroid gland
Pancreas
Pituitary
Adrenal gland
Draw and label each tissue on paper provided
Complete review sheet
Due next week in lab (Monday)