The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol.

1. Adrenal gland hormones

3. HORMONES OF ADRENAL
CORTEX

4. Biosynthesis of major adrenocorticosteroids.
• Pregnenolone is the common
precursor for the synthesis of
all steroid hormones.

5. Mechanism of
Action

6. Renin-Angiotensin
mechanism

7. Abnormalities of
adrenocortical
function

8. HORMONES OF ADRENAL
MEDULLA
↓ ↓
epinephrine (formerly adrenaline)
norepinephrine (formerly
noradrenaline)
Catecholamine
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Norepinephrine and dopamine are
important neurotransmitters
Dopamine is another catecholamine,
produced as an intermediate during
the synthesis of epinephrine.

9. Synthesis of catecholamines
↓
amino acid tyrosine is the precursor
for the synthesis of catecholamines.
↓
Catecholamines are produced in
response to fight, fright and flight.

10. 1. ACTH controls the secretion of ________
a) Cortisol
b) Aldosterone
c) Epinephrine
d) Testosterone
2. Low level of adrenal cortex hormones result
in ________
a) Goitre
b) Diabetes
c) Addison disease
d) Cushing syndrome
3. Which of the following hormone is known as
flight and fight hormone?
a) Thyroxin
b) Adrenaline
c) ADH
d) Oxytocin
4. ADH acts on ________
a) Loop of Henle
b) Collecting ducts of testes
c) Collecting tubules of kidneys
d) PCT
PRACTICE QUESTION

11. THANKS ALOT