Which of the following option is wrong ?

Options

A. Thyroid gland is the largest endocrine gland
B. Each thyroid gland is composed of follicles and stromal tissues
C. Thyroid gland consists of 4 lobes
D. Thyroid gland secretes `T_(3), T_(4) and TCT `

Answer

**Step-by-Step Solution:**

1. **Identify the Options**: The question asks to identify which of the provided options is incorrect regarding the thyroid gland.

2. **Evaluate Option 1**:
- Statement: "Thyroid gland is the largest endocrine gland."
- Analysis: This statement is correct. The thyroid gland is indeed the largest endocrine gland in the human body.

3. **Evaluate Option 2**:
- Statement: "Each thyroid gland is composed of follicles and stromal tissues."
- Analysis: This statement is also correct. The thyroid gland is made up of follicles that contain colloid and are surrounded by stromal tissues.

4. **Evaluate Option 3**:
- Statement: "Thyroid gland consists of 4 lobes."
- Analysis: This statement is incorrect. The thyroid gland is butterfly-shaped and consists of two lobes, not four. Each lobe has parathyroid glands associated with it.

5. **Evaluate Option 4**:
- Statement: "Thyroid gland secretes T3, T4, and TCT."
- Analysis: This statement is correct. The thyroid gland secretes T3 (triiodothyronine), T4 (thyroxine), and TCT (thyrocalcitonin), which are all important hormones.

6. **Conclusion**: After evaluating all options, it is clear that Option 3 is the wrong statement regarding the thyroid gland.

**Final Answer**: The wrong option is Option 3: "Thyroid gland consists of 4 lobes."

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