The ventral side of the brain typically refers to its inferior aspect. For the human spinal cord, the ventral direction is:

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Question restatement: The ventral side of the brain typically refers to its inferior aspect. For the human spinal cord, the ventral direction is:

Option 1: also inferior. This is incorrect because in the spinal cord the ventral (anterior) surface faces forward toward the abdomen, not downward toward the feet; inferior would imply a downward direction along gravity, which is not how the neuroanatomical axes are defined in humans.

Option 2: superior instead. This is false because superior refers to a direction toward the head, which does not align with the standard mapping of ventral to anterior in the spinal cord; that would be mixing two different anatomical axes.

Option 3: equivalent to anterior. This is the correct conceptual mapping: in the spinal cord, ventral corresponds to the anterior surface, i.e., the front side of the body, not the top or bottom. Clinically and anatomically, the ventral horn and ventral roots are on the anterior aspect, reinforcing that ventral ≈ anterior.

Option 4: equivalent to posterior. This is incorrect because posterior denotes the back surface, opposite to the ventral/anterior orientation; confusing these would invert the directional sense used in neuroanatomy.

Summary: The spinal cord uses the standard anterior–posterior axis where ventral aligns with anterior, not with inferior or posterior, and not with superior. The misinterpretation in Options 1 and 4 stems from applying gravity-based or dorsal–ventral contrasts incorrectly, while Option 2 relies on displacing toward the head rather than toward the front of the body.

ANAT20006_2025_SM1 ADSL 1 Test : Nervous System

The ventral side of the brain typically refers to its inferior aspect. For the human spinal cord, the ventral direction is:

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