Macula maintains

Options

A. static equilibrium
B. dynamic equilibrium
C. both (1) and (2)
D. none of these

Answer

**Step-by-Step Solution:**

1. **Understanding Macula**: The macula is a specialized structure found in the vestibular apparatus of the inner ear. It is a patch of hair cells that play a crucial role in balance and spatial orientation.

2. **Location of Macula**: The macula is located in two parts of the vestibular apparatus: the saccule and the utricle. These structures are responsible for detecting changes in the position of the head relative to gravity.

3. **Function of Macula**: The primary function of the macula is to maintain static equilibrium. Static equilibrium refers to the body's ability to maintain its position when at rest, particularly in relation to gravity.

4. **Detection Mechanism**: The hair cells within the macula contain sensory receptors that can detect changes in head position and linear acceleration. When the head moves, these hair cells generate action potentials that are transmitted to the sensory neurons.

5. **Conclusion**: Based on the above information, we can conclude that the macula primarily maintains static equilibrium.

6. **Final Answer**: Therefore, the correct option is that the macula maintains static equilibrium.

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