Results 261 to 270 of about 137,668 (295)
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Development of the choroid plexus
Microscopy Research and Technique, 2000Mammalian choroid plexuses develop at four sites in the roof of the neural tube shortly after its closure, in the order IVth, lateral, and IIIrd ventricles. Bone morphogenetic proteins and tropomyosin are involved in early specification of these sites and in early plexus growth.
Katarzyna M. Dziegielewska +3 more
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The structure of the choroid plexus and the physiology of the choroid plexus epithelium
Advanced Drug Delivery Reviews, 2004The choroid plexuses (CPs) are leaf-like highly vascular structures laying in the ventricles. The main function of choroid plexuses is the production of the cerebrospinal fluid (CSF). Although CPs have a unique distribution of ion transporters/channels, the mechanism of CSF production is similar to the production of fluids in other epithelia and is ...
Malcolm B. Segal, Zoran B. Redzic
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British Journal of Neurosurgery, 1994
Choroid plexus papillomas (CPPs) are rare neoplasms accounting for less than 1% of all intracranial tumours. We present our experience with 13 consecutive cases managed by us between 1981 and 1991. There were eight children and five adults. Five patients had tumours in the 4th ventricle, four in lateral ventricle, one in the 3rd ventricle, two in the ...
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Choroid plexus papillomas (CPPs) are rare neoplasms accounting for less than 1% of all intracranial tumours. We present our experience with 13 consecutive cases managed by us between 1981 and 1991. There were eight children and five adults. Five patients had tumours in the 4th ventricle, four in lateral ventricle, one in the 3rd ventricle, two in the ...
Rout D +3 more
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Chondromatosis of the choroid plexus
Journal of Clinical Neuroscience, 1996A case of chondromatosis of the choroid plexus in a 19 year old woman presenting with focal seizures is reported. Benign intracranial cartilaginous lesions are reviewed and the differential diagnosis of chondromatosis of the choroid plexus and intraventricular chondromas discussed.
Baskaran, S. +3 more
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Scientific American, 1989
T he brain is choosy about what it allows to enter its tissues. Because it can function only in a chemically stable environment, the brain shuts out most water-soluble substances in the blood-even some potentially helpful medications. Three structures stand as gatekeepers to the brain's interior: the network of cere bral capillaries, the arachnoid mem
Reynold Spector, Conrad E. Johanson
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T he brain is choosy about what it allows to enter its tissues. Because it can function only in a chemically stable environment, the brain shuts out most water-soluble substances in the blood-even some potentially helpful medications. Three structures stand as gatekeepers to the brain's interior: the network of cere bral capillaries, the arachnoid mem
Reynold Spector, Conrad E. Johanson
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Xanthogranulomas of choroid plexus
Neuroradiology, 1987Computed tomographic features of xanthogranulomas of the choroid plexus are presented. The characteristic location of bilateral intense homogeneously enhanced masses with central lucencies is thought to be diagnostic of xanthogranuloma of the choroid plexus.
N Pitakdamrongwong +2 more
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The senses of the choroid plexus
Progress in Neurobiology, 2019The composition of cerebrospinal and brain interstitial fluids is ensured by barriers between the blood and the brain parenchyma (the blood-brain barrier) and between the blood and the cerebrospinal fluid (the blood-cerebrospinal fluid barrier). Barrier function results from the combination of tight junctions between cells that impair solute flux via ...
Telma Quintela +5 more
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INNERVATION OF THE CHOROID PLEXUS
Archives of Neurology And Psychiatry, 1947THE STUDY of the innervation of the choroid plexus is attended with great technical difficulties, explaining the paucity of investigations on this subject. Isolated notes on the nerve supply of the choroid plexus are found in the works of older authors.
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2007
The choroid plexus (CP) produces cerebrospinal fluid (CSF) and forms a portion of the physical structure of the CSF-blood barrier. More recently, the CP been implicated in other basic aspects of neural functioning, such as surveying the chemical and immunological status of the brain, detoxifying the brain, secreting a nutritive cocktail of polypeptides
Robert Bartlett Elliott +4 more
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The choroid plexus (CP) produces cerebrospinal fluid (CSF) and forms a portion of the physical structure of the CSF-blood barrier. More recently, the CP been implicated in other basic aspects of neural functioning, such as surveying the chemical and immunological status of the brain, detoxifying the brain, secreting a nutritive cocktail of polypeptides
Robert Bartlett Elliott +4 more
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Xanthogranuloma of the choroid plexus
American Journal of Roentgenology, 1984Uncommon tumefactions known as xanthogranulomas can occur throughout the body. Some appear to develop as benign or malignant neoplasms. An even less familiar xanthogranuloma occurs within the choroid plexus. Most are tiny plaques only a few millimeters in diameter. However, they can present as masses of significant size within the glomus.
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