Adrenal Medulla (Noun)
Meaning
The medulla of the adrenal gland; secretes epinephrine.
Classification
Nouns denoting body parts.
Examples
- The adrenal medulla is a small part of the adrenal gland that plays a crucial role in the body's fight-or-flight response.
- Stimulation of the adrenal medulla causes it to produce and secrete epinephrine, also known as adrenaline.
- In humans, the adrenal medulla is composed of chromaffin cells that produce and secrete catecholamines, such as epinephrine and norepinephrine.
- Damage to the adrenal medulla can affect the body's ability to respond to stress and maintain blood pressure.
- The adrenal medulla is innervated by the sympathetic nervous system, which activates the secretion of epinephrine in response to stress.