Examlex
Analogy: LSD is to psilocybin as __________.
Oral Cavity
The mouth, an opening in the body equipped with teeth, tongue, and salivary glands, serving as the beginning of the digestive tract.
Neural Tube
The embryonic precursor to the central nervous system, which comprises the brain and spinal cord. The neural tube forms early in the development of vertebrates.
Subarachnoid Space
The area between the arachnoid mater and pia mater, filled with cerebrospinal fluid, which acts as a protective cushion for the brain and spinal cord.
Ventricles
Lower chambers of the heart that receive blood from the atria and pump it into the arteries, or cavities within the brain that produce cerebrospinal fluid.
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