Can anyone name the two main parts of the adrenal gland and the differences between the two?

The adrenal gland is primarily made up of two distinct parts: the adrenal cortex and the adrenal medulla.

1. Adrenal Cortex: This is the outer part of the gland. It produces hormones that are vital to life, such as cortisol (which helps regulate metabolism and helps your body respond to stress) and aldosterone (which helps control blood pressure). The adrenal cortex also produces sex hormones but in smaller amounts than the ovaries do in women and the testes do in men.

2. Adrenal Medulla: This is the inner part of the gland. It produces nonessential (i.e., you don't need them to live) hormones, such as adrenaline (or epinephrine), which helps your body react to stress. This part of the gland is directly controlled by the sympathetic nervous system and is considered part of your body's "fight or flight" response.

In summary, the main difference between the two parts of the adrenal gland is the type of hormones they produce and their role in the body's response to stress. The adrenal cortex produces hormones vital to life and metabolism, while the adrenal medulla produces hormones that help the body respond to stressful situations.