3. THYROID
•Control metabolism .
•One of the largest endocrine system in our body.
•Located : Front of the neck the trachea.
•Shape : Small butterfly shaped gland with two lobes.
•It’s contain of 3 type of hormones.
i. T3 ( Triiodothyronine )
ii. T4 ( Thyroxin )
iii. Calcitonin.
5. IMPORTANT
• They would be lacking the supply of energy you would
eventually DIE (if <NO> thyroid and hormone replacement)
• Thyroidectomy (removal of the thyroid gland), there are
hormone replacement therapies.
6. FUNCTION
• Control metabolism. Metabolism is the rate at
which all the chemistry of the body works.
• Control growth in early life.
• Controls how quickly the body uses energy,
makes proteins,
• Controls how sensitive the body should be to
other hormones.
7. HORMONE (CONT’)
• The thyroid gland is controlled
by thyroid-stimulating hormone
(TSH)
• Thyrotropin-releasing hormone
(TRH) produced by the
hypothalamus
• The T3 and T4 are also known
as THYROID HORMONES.
>T3 - Triiodothyronine
>T4 – Thyroxin
8. HORMONE ( CONT’)
• Calcitonin - Produced by para follicular " C" cells a role
in calcium homeostasis.
• Calcitonin – controlling blood calcium levels to
prevent the the hypercalcemia (too much calcium in the
blood).
• The hormones controlled by anterior pituitary by the
elaboration of thyrotropin.
9. HORMONE ( CONT’)
T3 and T4 affect most cells of the body by:
• Increasing the basal metabolic rate and heat
production.
• Regulating metabolism of carbohydrates, proteins and
fats
• T3 and T4 are synthesized utilizing both iodine and
tyrosine.
10. DEFINITION
Hyperthyroidism (overactive thyroid) is a condition in which your thyroid
gland produces too much of the hormone thyroxine. Hyperthyroidism
can significantly accelerate your body's metabolism, causing sudden
weight loss, a rapid or irregular heartbeat, sweating, and nervousness or
irritability.
DEFINITION
Hypothyroidism (underactive thyroid) is a condition in which your thyroid
gland doesn't produce enough of certain important hormones.
It seldom causes symptoms in the early stages, but, over time, untreated
hypothyroidism can cause a number of health problems, such as obesity,
joint pain, infertility and heart disease.
11. CONCLUSION
•Located : Front of the neck the trachea.
•Shape : Small butterfly shaped gland with two lobes.
•Supply of energy required.
•It’s contain of 3 type of hormones.
i. T3 ( Triiodothyronine )
ii. T4 ( Thyroxin )
iii. Calcitonin.
•The hormones secreted by thyroid gland are controlled by anterior
pituitary by the elaboration of thyrotropin.
12.
13. we QUESTION, you ANSWER
1)Where is the location for the thyroid ?
!
•Found in the neck, inferior to the thyroid cartilage(ADAM’s apple )
2)Will we die if we are without thyroid ? Why ?
•YES ! Because thyroid is one of the important system in our body.
It's controls the metabolism of our entire body and every cell.
3)T3 & T4 are known's as thyroid hormones.
What’s the affect of T3 & T4 for our body.
•Increasing the basal metabolic rate and heat production.
•Regulate metabolism of carbohydrates, proteins and fats.
