TA98 Latin preferred term
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spatium subarachnoideum
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TA98 Latin official synonym
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spatium leptomeningeum
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TA98 English equivalent
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subarachnoid space
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TA98 English synonym
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leptomeningeal space
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Immaterial
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This entity is an immaterial object (no mass).
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TA98 footnote
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Spatium subarachnoideum This is the space deep to the outer layer of the leptomeninx and containing the arachnoid trabeculae. The spatium is bounded internally by the outer layer of the pia mater, however, and the most appropriate designation is therefore spatium leptomeningeum, leptomeningeal space.
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