Subarachnoid space occurs:
Correct answer: A. Above pia mater
- A. Above pia mater
- B. Inside blastocoel
- C. Above dura mater
- D. None of the above
Explanation
The subarachnoid space is a fluid-filled space that occurs above the pia mater, which is the innermost layer of the meninges. The meninges are the protective membranes that surround and cushion the brain and spinal cord.
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Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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