Hormone having a target organ mainly as liver cells , adipocytes and also enhances cellular glucose uptake and utilisation is

Options

A. Insulin
B. Glucagon
C. Secretin
D. Gastrin

Explanation

To solve the question regarding which hormone has a target organ mainly as liver cells and adipocytes, and enhances cellular glucose uptake and utilization, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Target Organs**:
- The question specifies that the hormone acts mainly on liver cells (hepatocytes) and adipocytes (fat cells).

2. **Understand the Function of the Hormone**:
- The hormone must enhance cellular glucose uptake and utilization, which implies it plays a role in lowering blood glucose levels.

3. **Determine the Type of Hormone**:
- Since the hormone is described as enhancing glucose uptake and utilization, it is likely a hypoglycemic hormone.

4. **Consider Known Hormones**:
- The two primary hormones involved in glucose metabolism are insulin and glucagon. Insulin is known to lower blood glucose levels, while glucagon raises them.

5. **Evaluate Insulin**:
- Insulin is a peptide hormone secreted by the beta cells of the pancreas. It acts on liver cells to promote the conversion of glucose to glycogen (glycogenesis) and also enhances fat synthesis in adipose tissue.

6. **Confirm the Role of Insulin**:
- Insulin not only acts on liver cells but also on adipocytes, facilitating glucose uptake and promoting fat storage. This aligns perfectly with the requirements stated in the question.

7. **Conclusion**:
- Based on the above analysis, the hormone that fits all the criteria mentioned in the question is **insulin**.

### Final Answer:
The hormone having a target organ mainly as liver cells, adipocytes, and enhances cellular glucose uptake and utilization is **insulin**.

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