Thyorid Gland Structrue Thyorid Hormones triidothronin T3 T4 Calcitonin Feedback of thyorid hormones Parathyorid Gland and its secretions

1. Topic:
Thyorid & Parathyorid Gland
Submitted by:
Roll no.: 1420425 (502)
Name: HIRA AROOJ
Semester: V

2. Thyorid Gland:
Location:
In the lower part of the
neck, below the adam’s
apple wrapped around
the trachea.
Butterfly shaped.

3. Thyorid Hormones:
 Triiodothyronie(T3)
 Thyroxine(T4)
 Peptide hormone calcitonin
 The primary function
of thyorid is the
production of Iodine
containing hormones.

4. Functions of Thyorid Hormone:-
• Metabolic
• Cardiovascular
• Developmental

5. Regulation Of Thyorid Gland:

6. Calcitonin:
Reduces the concentration of blood Calcium level by
a. Suppressing Osteoclast activity in the bones
b. Increasing the amount of Calcium excreted in urine.

7. Parathyorid Gland
• Situated behind the thyroid gland.
• Normally, there are a total of four parathyroid glands.

8. • About half the size of a grain of rice.
• The parathyroid glands and the thyroid gland are
completely different organs.
Size:

9. Parathyorid Hormones:
 Calcium levels can affect the secretion of parathyroid
hormone.
 Low levels of calcium in the blood induce the secretion
of parathyroid hormone.

10. Regulation Of PTH:

11.  Any Question?