Difference between Adrenal cortex and Adrenal medulla
Difference between Adrenal cortex and Adrenal medulla are in tabular form below –
No. |
Adrenal cortex |
Adrenal medulla |
Definition |
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1. | The outer part of the adrenal gland which has 90% of mass in gland is known as adrenal cortex. | The inner part of the adrenal gland which has 10% of mass in gland is known as adrenal medulla. |
Origin |
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2. | Here, mesoderm is the origin of adrenal cortex. | Here, ectoderm is the origin of adrenal medulla. |
Hormones |
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3. | In the Adrenal cortex, secreted hormones are required for the survival. | On the adrenal medulla, secreted hormones are not required for the survival. |
Regions |
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4. | Three regions are present in the adrenal cortex. | One region is present in the adrenal cortex. |
Region names |
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5. | The adrenal cortex contain zona fasciculate, zona glomerulosa and zona Reticularis. | The adrenal medulla contain chromaffin cells. |
Glands |
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6. | In the adrenal gland, adrenal cortex is the firm outer layer. | In the adrenal gland, adrenal medulla is the softer inner part. |