Which of the following is known as master endocrine gland

Options

A. Adrenal gland
B. Thyroid gland
C. Pituitary gland
D. Pineal gland

Answer

**Step-by-Step Solution:**

1. **Understanding Endocrine Glands**: Endocrine glands are known as ductless glands because they do not have ducts. They secrete hormones directly into the bloodstream.

2. **Identifying the Master Gland**: The term "master endocrine gland" refers to a gland that regulates the functions of other endocrine glands.

3. **Evaluating the Options**:
- **Adrenal Gland**: This gland produces hormones like adrenaline but does not control other glands.
- **Thyroid Gland**: This gland regulates metabolism but is also not a master gland.
- **Pineal Gland**: This gland produces melatonin and regulates sleep cycles, but it does not control other glands.
- **Pituitary Gland**: This gland is often referred to as the "master gland" because it controls the functions of several other endocrine glands.

4. **Conclusion**: The pituitary gland is located at the base of the brain and is responsible for regulating various bodily functions by controlling other glands. Therefore, it is known as the master endocrine gland.

**Final Answer**: The pituitary gland is known as the master endocrine gland.

---