________ is known as the master gland that controls all the other glands.

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the name of the gland that is referred to as the "master gland" because it controls other glands in the body.

2. **Understand the Role of Glands**: Recognize that glands in the endocrine system secrete hormones that regulate various bodily functions. The coordination of these glands is crucial for maintaining homeostasis.

3. **Determine the Master Gland**: The pituitary gland is known as the master gland. It is located at the base of the brain and plays a significant role in regulating the functions of other endocrine glands.

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