Know all hormones that is belong to the posterior pituitary Know all the hormone

Question

Know all hormones that is belong to the posterior pituitary Know all the hormones that is belong to the anterior pituitary Know the function of renin and how the renin is activated Know the function of oxytocin and ADH Know the nephron system including the active and passive transpo What is vasa recta 1. 2. 3. 4. 5. 6. 7. Know the type of signaling system in target receptor 8. Know the function of Nitric oxide & epinephrine 9. Know the function of melanocyte-stimulating hormone 10. Know the function of prolactin 11. Know the function of the iodine 12. Know the term fight-or-flight reactions

Explanation / Answer

Ans 1)
Posterior Lobe Hormones:

1)Anti-diuretic hormone (ADH):
2) Oxytocin:

Ans 2)

Anterior Lobe Hormones:

Thyroid-stimulating hormone (TSH): TSH stimulates the thyroid gland to produce hormones.

Ans 3) function of renin :-

1)function of renin as an enzyme is to catalyze the following reaction which in turn cause a cascade of reactions.

2) Renin help in to increase the effective blood volume and pressure by water and sodium retention plus vasoconstriction and sympathetic activity.

activation of renin :-

Renin is produced by juxtaglomerular cells in afferent arteriole.

It’s released when the blood flow through the afferent arteriole:

1)Has a reduced blood pressure due to reduced blood flow.
2)Reduced blood sodium ion level.
3)Activation of the sympathetic nervous system.

Ans 4)function of post pituitary hormone :-

1)Antidiuretic hormone: A hormone that stimulates water re-absorption in the kidneys.

2) oxytocin: A hormone that stimulates contractions during labor. stimulate breast milk production.

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