Transcript Related Anatomy

Related Anatomy
Unit 9 Endocrine
1. Hormones
• The endocrine system is several glands that
secrete hormones ( chemical messengers) to
control growth, reproduction, use of
nutrients, electrolyte balance, metobolic rate
and reduce stress.
• Endocrine means NO Duct. These
hormones do not leave the body as exocrine
glands like sweat, oil, mammory.
2. Endocrine Glands
• Pituitary
• Thyroid
• Islets of Langerhans
(pancreas)
• Adrenal
• Ovary & Testis
3. Pituitary Gland
• MASTER GLAND
• Brain
• Size of pea
Hormones
• Posterior
oxytocin( breast milk and
labor)
ADH(BP, fluid balance)
• Anterior
growth hormone
prolactin- milk
tropic- other
4. Thyroid
• In neck, butterfly
• Growth and
development
• Thyroxine- synthroid
• Goiter
• Iodine- salt
Thyroid- Goiter
5. Secretions
• Hyper- over
• Hypo- under
6. Islets of Langerhans
• Gland in the Pancreas
• Insulin- lowers the glucose in blood
• Glucagon- raises the glucose in blood
• Diabetes Type I early onset
Type II over 40
7. Adrenal Gland
• 2- on ea kidney
• Part of sympathetic
nervous system
• Emergency response
• Epinephrine- adrenalin
• Norepinephrine
8&9. Adrenal gland - Cortex
• Glucocorticoids- cope
with stress
• Mineralocorticoidswater & salt balance
• Sex steroids
Sex Hormones
• Ovaries
• Estrogen
• Progesterone
• Testes
• Testosterone
The End