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Endocrin system
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- 2. WHAT IS GLANDSAND WHAT IS HORMONE? glands/ is important body organs that’s responsible for produce or secret hormones. There are many glands in our body, look to the picture… Glands are stimulated by: 1. Hormonal stimulation 2. Neural stimulation 3. Homoral stimulation
- 3. WHAT IS HORMONE? Hormone/is a chemical substance that produced of released from glands Have a role in maintenance of body homeostasis. Affect body by: 1. Synthesis of proteins 2. Activation or inactivate body enzyme 3. Stimulate mitosis 4. Change permeability or electrical state
- 4. PINEAL GLAND Produce melatoninhormone that’s regulate sleep-wake cycle
- 5. THYROID GLAND It produceand secret 3 hormones : T3 , T4 / that’s regulates metabolism Calcitonin hormone/ released when Ca level high, its work is to decrease Ca level in blood by add Ca to bone
- 6. PARATHYROID GLAND Release PTH(parathyroid hormone) when Ca level in blood is low The hormone increase bone break down to increase serum Ca And its work in kidney by increase Ca retention
- 7. ADRENAL GLAND: It hasto main glands: Adrenal cortex/ the outer layer of adrenal gland Adrenal medulla/ the inner layer of adrenal gland
- 8. ADRENAL CORTEX Mineralocorticoids hormones/ regulate electrolyte in the body Glucocorticoids/ produce glucose by break down of protein and lipids Produce some androgens (testosterone) and some (estrogen)
- 9. ADRENAL MEDULLA Produce hormones: Epinephrine(adrenalin) Nor-epinephrine Both hormones work in fight or flight response (sympathetic nervous system)
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- 12. PANCREASES: Has too manyfunctions, but at this moment we well take a endocrine function of it There are specialize cells in pancerase :
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- 15. OVARY ( PROGESTERONE( Itsmaintain appropriate conditions to ovulation and pregnancy
- 16. PITUITARY GLAND Its workunder the influence of hypothalamus It has a responsible for controlling many glands in the body by releasing hormones: Its divided into two regions: Anterior pituitary gland Posterior pituitary gland
- 17. ANTERIOR PITUITARY GLAND Somatotropichormone STH or GH/ growth of skeletal muscles and long bone . Gonadotropic hormone/ FSH Follicular stimulating hormone and LH luteinizing hormone/spermatogenesis and maturation of ovaries. Lactogenic hormone LTH or Prolactin hormone PRL/ stimulate and maintain production of milk. Adrenocorticotropic hormone ACTH/ regulate adrenal cortex. Thyroid stimulation hormone TSH/ regulate thyroid gland
- 18. POSTERIOR PITUITARY GLAND Oxytocin/trigger utrine muscle and breast ADH anti-diuretic hormone/ prevent water loss by increase water up take in kidney.
- 19. HYPOTHALAMUS: Is a partof brain, has many functions in the body Pituitary gland is hanged from it It has deep relation to pituitary gland Hypothalamus indirectly controls many glands of the body by stimulating pituitary gland or inhibition of it . Hypothalamuses Pituitary gland Target gland or organs
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