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The adrenal medulla contains two types of secretory cells. What are they and what are their functions?

Short Answer

Expert verified
  • The adrenal glands' primary function is the release of adrenaline and noradrenaline.
  • The adrenal glands, also known as supra-renal glands, are located directly above the kidneys.
  • They are retroperitoneal structures that are divided into two parts: the outer adrenal cortex and the inner adrenal medulla.
  • The two hormones which adrenal medulla are : epinephrine and norepinephrine

Step by step solution

01

Introduction 

Adrenal Glands Structure:

  • They are retroperitoneal structures that are divided into two parts: the outer adrenal cortex and the inner adrenal medulla.
  • The main secreting cells of the adrenal medulla are known as chromaffin cells, which are neuroendocrine cells that have been modified to look like sympathetic ganglia.
02

Explanation 

  • Adrenal glands are small triangular glands that are located on top of both kidneys.
  • They are also referred to as suprarenal glands.
  • The adrenal gland is divided into two sections: the adrenal medulla and the adrenal cortex.
  • The adrenal cortex surrounds the adrenal medulla, which is the innermost layer of the adrenal glands.
  • The medulla generates a number of hormones that aid in non-essential functions.
  • It is embedded in the center of the adrenal gland and accounts for approximately 10% of the total gland weight.
  • It is made up of chromaffin cells that secrete hormones.
  • It is made up of irregularly shaped cells that form a ring around the blood vessels.
  • These cells serve as a link between the medulla and the autonomic nervous system.

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