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Top level | systema nervosum centrale Short Extended |
Current level | meninges Extended |
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UID |
Libelle of note
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5101 |
Although the terms Spatium subdurale and Spatium epidurale/extradurale are in common usage, under normal conditions the arachnoid is attached to the dura and the dura is attached to the skull; there are no naturally occurring spaces at these interfaces at all. The occurrence of these spaces is the result of trauma or of pathological process that artifactually separates the arachnoid from the dura or the dura from the skull (Haines DE 1991 On the question of a subdural space. Anat Rec 230:3-21; Van Denabeele F, Creemans J, Lambrichts I 1996 Ultrastructure of the human spinal arachnoid mater and dura mater. J Anat (Lond) 189:417-430).
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5102 |
See note # 5101
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Signature |
Type of list | P2 |
List Unit Identifier | 5090 |
Sublist 1 | 5091 dura mater 39/24 on 22.6.2019 |
Sublist 2 | 5105 arachnoidea 64/43 on 1.5.2020 |
Sublist 3 | 5124 pia mater 27/20 on 10.6.2018 |
Subtotals | subchildren 130 subunits 87 |
Proper children | 15 |
Number of children | 145 (validated) |
Proper units | 13 |
Number of units | 100 (validated) |
Signature | 3842 (validated since 26.11.2020) |
Date: 11.11.2024 |