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270 |
Meninges |
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1 |
Cranial arachnoid. Arachnoidea mater cranialis |
13 |
Spinal arachnoid. Arachnoidea mater spinalis. |
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1 |
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(encephali). Thin, avascular membrane attach- |
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Thin avascular membrane attached to the dura |
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ing to the cranial dura only by surface adhesion |
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mater by surface adhesion and to the pia mater |
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2 |
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and communicating with the pia mater by con- |
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by its connective tissue fibers. A |
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nective tissue fibers. D |
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14 |
Subarachnoid |
space. |
Spatium |
sub- |
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3 |
2 |
Subarachnoid |
space. |
Spatium |
sub- |
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arachnoideum. Space between the flat part of |
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arachnoideum. Space between flat portion of |
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the arachnoid and the pia mater. It is filled with |
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arachnoid and pia mater. It is filled with |
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arachnoidal connective tissue fibers and cere- |
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4 |
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arachnoidal connective tissue fibers and cere- |
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brospinal fluid. A |
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brospinal fluid. D |
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15 |
Cerebrospinal |
fluid. Liquor cerebrospinalis. |
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5 |
3 |
Cerebrospinal |
fluid. Liquor cerebrospinalis. |
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Fluid secreted predominantly by the choroid |
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plexus. It is protein-poor and has a cell content |
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Protein-poor fluid secreted by the choroid |
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plexus with a cell content of 2−6 per mm. It |
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of 2−6 per mm. |
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6flows into the subarachnoid space through openings in the fourth ventricle.
7 4 Subarachnoid cisterns. Cisternae subarachnoideae. Expansions of the subarachnoid
space containing cerebrospinal fluid.
8
5Cerebellomedullary cistern (cisterna magna).
Cisterna cerebellomedullaris (magna). Space
9between the cerebellum and medulla oblongata filled with cerebrospinal fluid. It com-
10municates with the fourth ventricle by a median aperture. It is accessible through the foramen magnum. B
116 Cisterna of lateral fossa of cerebrum. Cisterna fossae lateralis cerebri. Space between the in-
12sula, temporal, frontal and parietal lobes. It is filled with cerebrospinal fluid and is accessible through the lateral sulcus. It contains branches
13of the middle cerebral and insular arteries. C
7 Chiasmatic cistern. Cisterna chiasmatica. En-
14larged space around the optic chiasma filled with cerebrospinal fluid. B
158 Interpeduncular cistern. Cisterna interpeduncularis. Space situated behind the chiasmatic cistern and bordered laterally by the
16temporal lobe and the cerebral crura. It is filled
with cerebrospinal fluid and contains the
17oculomotor nerve, branches of the basilar artery, the origin of the superior cerebellar
artery and the posterior cerebral artery. B
18
9 Ambient cistern. Cisterna ambiens. Enlarged cerebrospinal fluid-filled space lateral to the
19cerebral crus. It contains the posterior cerebral artery, superior cerebellar artery, basal vein
20(Rosenthal’s) and the trochlear nerve. F
10Cisterna pericallosa. Space filled with cerebrospinal fluid along the corpus callosum. F
2111 Pontocerebellar cistern. Cisterna pontocerebellaris. Expanded space in the cerebellopon-
22tine angle filled with cerebrospinal fluid. It communicates with the 4th ventricle by a
23lateral aperture. E
12 Arachnoid granulations. Granulationes arachnoideae. Avascular, villous-like outpock-
24etings of the subarachnoid space into the sagittal sinus and diploic veins. They are more pro-
25nounced after the tenth year of life and are concerned in the excretion of cerebrospinal fluid. D