When the glandular cells breakdown completely , the gland is known as

Options

A. Holocrine gland
B. Apocrine gland
C. Merocrine gland
D. None of the above.

Answer

### Step-by-Step Solution:

1. **Understanding Glandular Cells**: Glandular cells are specialized cells that produce and secrete substances such as hormones, enzymes, and other fluids. They can be classified based on how they release their secretions.

2. **Types of Glands**: There are three main types of glands based on their secretion methods:
- **Merocrine Glands**: These glands release their secretions through a process called exocytosis, where secretory vesicles fuse with the plasma membrane and release their contents without damaging the cell. Examples include sweat glands and salivary glands.
- **Apocrine Glands**: In these glands, the secretory products accumulate at the apical part of the cell. When the cell is full, a portion of the cell pinches off to release the secretion. Examples include some sweat glands and mammary glands.
- **Holocrine Glands**: These glands release their secretions by the complete breakdown of the glandular cells. The entire cell disintegrates to release its contents. An example of this type is the sebaceous glands.

3. **Identifying the Answer**: The question specifically asks for the type of gland when the glandular cells break down completely. Based on the definitions provided:
- The correct answer is **Holocrine Glands**, as these glands involve the complete disintegration of the glandular cells to release their secretions.

4. **Conclusion**: Therefore, when glandular cells break down completely, the gland is known as a **Holocrine Gland**.