Small and numerous cytoplasmic extensions that conduct the impulse towards the body are called:

Options

A. terminal end fibres
B. synapses
C. dendrites
D. axons

Answer

To solve the question "Small and numerous cytoplasmic extensions that conduct the impulse towards the body are called:", we will analyze the options provided and determine the correct answer step by step.

### Step 1: Understand the Question
The question is asking for the name of small and numerous cytoplasmic extensions that conduct impulses towards the cell body of a neuron.

### Step 2: Analyze Each Option
1. **Terminal End Fibers**: These are the fibers at the end of an axon that transmit impulses from the axon to the synapse. They do not conduct impulses towards the body, so this option is incorrect.

2. **Synapses**: This term refers to the junctions between neurons where signals are transmitted. Synapses do not conduct impulses towards the cell body; rather, they facilitate communication between neurons. Therefore, this option is also incorrect.

3. **Dendrites**: Dendrites are the small, branched extensions of a neuron that receive signals from other neurons and conduct these impulses towards the cell body. This matches the description given in the question, making this option a strong candidate.

4. **Axons**: Axons are long projections of a neuron that carry impulses away from the cell body. Since the question specifically asks for extensions that conduct impulses towards the body, this option is incorrect.

### Step 3: Conclusion
After analyzing all the options, we find that the correct answer is **Dendrites**. They are the small and numerous cytoplasmic extensions that conduct impulses towards the body of the neuron.

### Final Answer
The correct answer is **Dendrites**.

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