Endocrine System Flashcards
What is the action of hormones in this system?
Alters the characteristics of the plasma membrane and makes it more Permeable
Stimulates and inhibits activity within the cell
Makes and unmarked enzymes
Causes mitosis
Causes the cell to start secreting
What is the synergistic interaction?
Hormones work together to have a powerful impact on the cell
What does permissive mean?
First hormones allows the action of the second allowed hormone
What is the second message?
This is how many hormones bring about its effect
How do we have control of the endocrine system?
Hormonal stimulation - chemicals in the blood
Neutral stimulation - sympathetic nerves stimulate adrenal medulla
What does the anterior pituitary do?
Makes hormones - releasing and inhibiting
Explain the role of the hypothalamus in terms of female reproduction…
Hypothalamus
⬇️ - gonadotropin releasing hormone (gnrh)
Pituitary (anterior)
⬇️ - fsh and lh released
Ovary
⬇️ - oestrogen and progesterone and produced
Uterus, breast and brain
List the two different types of the adrenal gland…
Adrenal cortex
Adrenal medulla
What does the adrenal medulla produce?
Epinephrine
Nor-epinephrine
What does the adrenal cortex produce?
Zona glomerulosa
Zona fasciularia
List the different steroid hormones…
Gonadocorticoids - sex hormones
Mineralocorticoids - regulate electrolytes in the blood
Glucocorticoids- influence energy metabolism of most cells and has the job of smoothing out sever fluctuations in blood sugar
What are steroid drugs used for?
Replacement therapy
Reduce inflammation
Reduce immune activity
Analgesia
What does abuse of steroids do to the body?
Roid-rage Growth of breasts Hair loss Shrunken testies Reduction of sperm production
