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pia-arachnoid
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pia-arachnoid
pia-aˈrachnoid, piaˈrachnoid Anat. [f. pia1 + arachnoid.] The pia mater and the arachnoid, considered as one structure. Also attrib.1889 Buck's Handbk. Med. Sc. VIII. 111 The presence on the ental surface of the piarachnoid of a pial fold, the ruga. 1896 Allbutt's Syst. Med. I. 662 Acute inflammatio...
Oxford English Dictionary
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Subarachnoid cisterns
The space is situated between the two meninges, the arachnoid mater and the pia mater. These cisterns are filled with cerebrospinal fluid (CSF). This leaves wider spaces between the pia and arachnoid and the cavities are known as the subarachnoid cisterns.
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Arachnoid mater
pia. Function
CSF circulates in the subarachnoid space (between arachnoid and pia mater).
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Arachnoid trabeculae
The arachnoid trabeculae are delicate strands of connective tissue that loosely connect the two innermost layers of the meninges – the arachnoid mater and the pia mater.
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pial
pial, a. (ˈpaɪəl) [f. pia1 (pia mater) + -al1.] Of or pertaining to the pia mater.1889 [see pia-arachnoid]. Ibid. 524/1 In some cases also the appropriate adjectives are employed, e.g. pial, dural. 1899 Allbutt's Syst. Med. VI. 502 In general paralysis the invasion is always from the pial surface an...
Oxford English Dictionary
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Pia mater
The pia firmly adheres to the surface of the brain and loosely connects to the arachnoid layer. Pathology
Meningitis is the inflammation of the pia and arachnoid mater.
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Meninges
In mammals, the meninges are the dura mater, the arachnoid mater, and the pia mater. Because the arachnoid is connected to the pia by cob-web like strands, it is structurally continuous with the pia, hence the name pia-arachnoid or leptomeninges
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Cerebral laceration
The injury is similar to a cerebral contusion; however, according to their respective definitions, the pia-arachnoid membranes are torn over the site of
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软脑膜
软脑膜牢固地粘附在大脑的表面,并且松散地连接到蛛网膜层,故而这些膜也可被称为软膜蜘蛛膜(pia arachnoid)或Leptomeninges。 它通常分为两类,即脊软膜(pia mater spinalis)及pia mater encephali。
参考资料
脑膜
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Cerebellopontine angle
The pia mater follows the outline of the fissure and the arachnoid mater continues across the divide so that the subarachnoid space is dilated at this Others found include:
Arachnoid cyst
Facial nerve tumour
Lipoma
Meningioma
Schwannoma of other cranial nerves (e.g.
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Denticulate ligaments
Denticulate ligaments (also known as dentate ligaments) are lateral projections of the spinal pia mater forming triangular-shaped ligaments that anchor Anatomy
The bases of denticulate ligaments arise in the pia mater and are firmly attached to the arachnoid mater and dura mater at the apex.
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Focal and diffuse brain injury
Cerebral laceration is a brain injury in which the pia-arachnoid is torn.
Epidural hemorrhage is bleeding between the dura mater and the skull. Subdural hemorrhage is bleeding between the dura mater and the arachnoid.
Intracerebral hemorrhage is bleeding within the brain tissue itself.
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Mater
Māters (1845–1885), Latvian writer and journalist
Dura mater, the outermost layer of the meninges surrounding the brain and spinal cord in mammals
Arachnoid mater, the middle layer of the meninges surrounding the brain and spinal cord in mammals
Pia mater, the innermost layer of the meninges surrounding the
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Leptomeningeal collateral circulation
Structure
Leptomeningeal collaterals lie within the leptomeninges, the two deep layers of the meninges called the pia mater and the arachnoid mater. History
The term 'leptomeningeal' derives from the Greek word leptos (λεπτός) meaning thin, in reference to the appearance of the pia mater and arachnoid
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