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| Home page | Initial page of the hierarchy |
| Top level |
central nervous system  Short Extended
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| Level 2 | meninges Short Extended |
| Current level |
arachnoid Short
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Partonomy list
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| FMA | TA | UID | ISA |
Short English equivalent
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Short official Latin term
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| 9591 |
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5105 | tax |
arachnoid
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arachnoidea
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| 231559 |
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7783 | tax |
arachnoid barrier cell layer
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lamina neurothelialis claustri arachnoidea
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| 83978 |
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5109 | tax |
arachnoid granulations
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granulationes arachnoideae
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5109 |
# arachnoid granulation
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# granulatio arachnoidea
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7784 | tax |
cellular macula
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macula cellularis
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7818 | tax |
cellular colliculus
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colliculus cellularis
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| 83979 |
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5110 | tax |
arachnoid trabeculae
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trabeculae arachnoideae
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7785 | tax |
neurothelial protrusions
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protrusiones neurotheliales
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| 83980 |
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7787 | tax |
arachnoid villi villus
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villi arachnoidei
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7787 |
# arachnoid villus
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# villus arachnoideus
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7788 | tax |
capsule of arachnoid villus
; villous capsule
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capsula villi arachnoidei
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7789 | tax |
apical cap of arachnoid villus
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cupula apicalis villi arachnoidei
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7790 | tax |
arachnoid cupular cells
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cellulae arachnoideae cupulares
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7791 | tax |
arachnoid cap cell layer
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stratum cellulae arachnoideae cupularis
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7792 | tax |
arachnoid cap cell cluster
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cumulus cellulae arachnoideae cupularis
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7793 | tax |
neck of arachnoid villus
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cervix villi arachnoidei
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7794 | tax |
central core of arachnoid villus ▲
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centrum trabeculare villi arachnoidei
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| 83981 |
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5108 | tax |
cranial arachnoid
; arachnoid of brain
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arachnoidea cranialis
; arachnoidea encephali
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7797 | tax |
intercisternal membranes
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membranae intercisternales
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7798 | tax |
basal intercisternal membrane
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membrana intercisternalis basalis
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| 322060 |
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7796↓ | tax |
cranial subarachnoid space
; cranial leptomeningeal space
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spatium subarachnoideum craniale
; spatium leptomeningeum craniale
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5111 | tax |
cranial subarachnoid cisterns
P4 50 children
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cisternae subarachnoideae craniales
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7748 | tax |
supratentorial cisterns
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cisternae supratentoriae
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7750 | tax |
rostral basal cisterns
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cisternae basales rostrales
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| 74516 |
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5120 | tax |
cistern of lamina terminalis
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cisterna laminae terminalis
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| 74515 |
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5115 | tax |
chiasmatic cistern
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cisterna chiasmatica
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7751 | tax |
hypophysial cistern
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cisterna hypophysialis
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7756 | tax |
rostral lateral cisterns (pair)
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cisternae laterales rostrales (par)
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7757 | tax |
carotid cistern (pair)
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cisterna carotica (par)
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7759 | tax |
olfactory cistern (pair)
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cisterna olfactoria (par)
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| 87723 |
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5114 | tax |
cistern of lateral cerebral fossa (pair)
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cisterna fossae lateralis cerebri (par)
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7760 | tax |
cistern of cerebral vallecula (pair)
; (pair)
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cisterna valleculae cerebri (par)
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7761 | tax |
cistern of central sulcus (pair)
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cisterna sulci centralis (par)
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7762 | tax |
rostral dorsal cisterns
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cisternae dorsales rostrales
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| 83724 |
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5118 | tax |
pericallosal cistern
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cisterna pericallosa
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7763 | tax |
cistern of velum interpositum
; cistern of transverse cerebral fissure
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cisterna veli interpositi
; cisterna fissurae transversae cerebri
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| 74511 |
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5121 | tax |
quadrigeminal cistern
; cistern of great cerebral vein
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cisterna quadrigeminalis
; cisterna venae cerebri magnae
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7739 | tax |
infratentorial cisterns
; posterior fossa cisterns
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cisternae infratentoriae
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7740 | tax |
caudal basal cisterns
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cisternae basales caudales
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| 83718 |
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5116 | tax |
interpeduncular cistern
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cisterna interpeduncularis
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| 83719 |
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7743 | tax |
prepontine cistern
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cisterna prepontina
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7741 | tax |
premedullary cistern
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cisterna premedullaris
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7744 | tax |
caudal lateral cisterns (pair)
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cisternae laterales caudales (par)
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| 74511 |
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5117 | tax |
ambient cistern (pair)
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cisterna ambiens (par)
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7745 | tax |
cistern of internal acoustic meatus (pair)
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cisterna meatus acustici interni (par)
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| 83725 |
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5119 | tax |
cerebellopontine cistern (pair)
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cisterna cerebellopontina (par)
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| 83722 |
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5113 | tax |
lateral cerebellomedullary cistern (pair)
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cisterna cerebellomedullaris lateralis (par)
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7746 | tax |
caudal dorsal cisterns
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cisternae dorsales caudales
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| 83721 |
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5112 | tax |
posterior cerebellomedullary cistern
; cisterna magna
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cisterna cerebellomedullaris posterior
; cisterna magna
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7747 | tax |
superior cerebellar cistern
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cisterna cerebellaris superior
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| 83982 |
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5122 | tax |
spinal arachnoid
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arachnoidea spinalis
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| 322074 |
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7782 | tax |
spinal subarachnoid space
; spinal leptomeningeal space
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spatium subarachnoideum spinale
; spatium leptomeningeum spinale
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| 83720 |
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5123 | tax |
lumbar cistern
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cisterna lumbalis
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| 77437 |
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5146 | tax |
posterior median septum
; dorsal median septum
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septum medianum posterius
; septum medianum dorsale
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54 lines
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82.6 %
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84.4 %
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11 partial items
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65 entities
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Scientific notes
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| UID |
Libelle of note
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| 7796 |
The Spatium subarachnoideum is the space deep to the outer layer of 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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Signature
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| Type of list | P3F |
| List Unit Identifier | 5105 |
| Sublist 1 | 5111 cisterna subarachnoidea cranialis 50/29 on 14.4.2018 |
| Subtotals | subchildren 50 subunits 29 |
| Proper children | 14 |
| Number of children | 64 (validated) |
| Proper units | 14 |
| Number of units | 43 (validated) |
| Signature | 7002 (validated since 16.6.2026) |
| Date: 17.06.2026 |