Bipolar nerve cells are present in

Options

A. Skin tactile corpuscles
B. Spinal cord
C. Retina of eye
D. All the above .

Answer

**Step-by-Step Solution:**

1. **Understanding Bipolar Nerve Cells**: Bipolar nerve cells are a type of neuron that has two extensions (or processes). They are primarily involved in sensory functions.

2. **Identifying Locations**: Bipolar nerve cells are found in specific regions of the body. The key areas where they are present include:
- The retina of the eye
- The olfactory mucosa in the nasal cavity
- The inner ear (associated with hearing and balance)

3. **Analyzing the Options**: The question provides several options:
- Skin
- Tactile corpuscles
- Spinal cord
- Retina of the eye
- All of the above

4. **Evaluating Each Option**:
- **Skin**: While the skin has sensory receptors, it does not contain bipolar nerve cells.
- **Tactile Corpuscles**: These are specialized nerve endings in the skin but are not bipolar neurons.
- **Spinal Cord**: The spinal cord contains various types of neurons but not specifically bipolar nerve cells.
- **Retina of the Eye**: This is a known location for bipolar nerve cells, as they play a crucial role in the visual pathway.
- **All of the Above**: Since not all options contain bipolar nerve cells, this cannot be the correct answer.

5. **Conclusion**: Based on the analysis, the correct answer is that bipolar nerve cells are present in the **retina of the eye**.

**Final Answer**: Retina of the eye

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