Adrenal glands- what is the overall gland structure? Can you name all the different regions and...

Adrenal glands- what is the overall gland structure? Can you name all the different regions and zones and what hormones they secrete? What are the functions of all these hormones?

Solutions

Expert Solution

Adrenal glands - This endocrine glands are also called suprarenal glands are situated over upper poles of kidney.

Shape of Adrenal glands - Right gland is in pyramidal shape and left gland is in semi-lunar shape.

Structure of Adrenal glands - The outer layer is called Cortex. The inner layer is called Medulla.

The cortex is divided in to three zones -

1. Zona glomerulosa - This zone secretes mineralocorticoids such as aldosterone.

Function - Aldosterone helps in retention of Na+ and water there by increasing blood pressure.

2. Zona fasiculata - This zone secretes corticosteroids such as cortisol and androgens.

Function - Androgens helps in development of secondary sexual characters and Cortisol helps in regulation of metabolism.

3. Zona reticularis - This zone also secretes androgens and small amounts of corticosteroids.

Medulla - This medulla produces epinephrine and nor-epinephrine.

Function - This hormones plays role as neurotransmitter in autonomic nervous system.

Sydney Mullin answered 8 months ago

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