Hormones
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Two examples of cortical hypofunction
Addison’s Disease Hypoaldosteronism
Two examples of cortical hyperfunction
Cushing’s Disease (Syndrome) Hyperaldosteronism
Congenital adrenal hyperplasia is an example of
Enzyme Deficiemcy
Where are the adrenal glands located?
Superior to both kidneys
The 3 zones of the adrenal gland are…
The G-zone, the F-zone, the R-zone
What are the two aspects of the adrenal gland?
Cortex and medulla
What type of a hormone is aldosterone?
Mineralcorticoid
Mineralocorticoids help us retain what two things?
Sodium Water
Renin is an enzyme that converts what to what?
angiotensinogen to angiotensin I
What is the source of Renin?
Kidneys
What does ACE do? Where is ACE found?
Converts angiotensin I to angiotensin II Lungs
What stimulates Kidney to release renin
Decrease in BV/BP
What regulates aldosterone secretion?
Renin Angiotensin Aldosterone System
The release of ADH is stimulated by
Angiotensin II
What is the main steroid of the G-Zone?
Aldosterone
What is the main regulator of the G-Zone?
Renin angiotensin system (RAS)
What is the main function of the G-Zone?
Blood pressure and K homeostasis
Main glucocorticoid
Cortisol
What are two functions of glucocorticoids?
Maintain BP Maintain glucose homeostasis
Three major gonadocorticoids are _____.
DHEA-S DHEA Androstenedione
Why does cortisol lead to an increase in BP?
It is a vasoconstrictor..
This hormone promotes catabolic action of protein and fat
Cortisol
Diurnal variation and negative feedback can be overridden by
Cortisol
Mineralocorticoid of the adrenal cortex
Aldosterone