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Topic: Cerebrospinal fluid

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	IX. Neurology. 4h. The Cerebrospinal Fluid. Gray, Henry. 1918. Anatomy of the Human Body.
		The cerebrospinal fluid, 129 for the most part elaborated by the choroid plexuses, is poured into the cerebral ventricles which are lined by smooth ependyma.
		That portion of the fluid formed in the lateral ventricles escapes by the foramen of Monro into the third ventricle and thence by the aqueduct into the fourth ventricle.
		The absorption of the cerebrospinal fluid is a dual process, being chiefly a rapid drainage through the arachnoid villi into the great dural sinuses, and, in small part, a slow escape into the true lymphatic vessels, by way of an abundant but indirect perineural course.
	www.bartleby.com /107/194.html (554 words)

	Cerebrospinal fluid (CSF) analysis, Information about Cerebrospinal fluid (CSF) analysis
		Cerebrospinal fluid (CSF) analysis is a laboratory test to examine a sample of the fluid surrounding the brain and spinal cord.
		The procedure to remove cerebrospinal fluid is called a lumbar puncture, or spinal tap, because the area of the spinal column used to obtain the sample isin the lumbar spine, or lower section of the back.
		The doctor measures the cerebrospinal fluid pressure with a specialinstrument called a manometer and withdraws several vials of fluid for laboratory analysis.
	www.faqs.org /health/topics/41/Cerebrospinal-fluid-CSF-analysis.html (839 words)

	Cerebrospinal Fluid (CSF) Analysis Information on Healthline
		This fluid is a clear, watery liquid that protects the central nervous system from injury and cushions it from the surrounding bone structure.
		The procedure to remove cerebrospinal fluid is called a lumbar puncture, or spinal tap, because the area of the spinal column used to obtain the sample is in the lumbar spine, or lower section of the back.
		Abnormal test result values in the pressure or any of the substances found in the cerebrospinal fluid may suggest a number of medical problems including a tumor or spinal cord obstruction; hemorrhaging or bleeding in the central nervous system; infection from bacterial, viral, or fungal microorganisms; or an inflammation of the nerves.
	www.healthline.com /galecontent/cerebrospinal-fluid-csf-analysis-1 (1359 words)

	Cerebrospinal Fluid Research \|
		Cerebrospinal Fluid Research aims to provide a dedicated avenue for the dissemination of research into all molecular and physiological aspects of CSF and related disorders.
		Cerebrospinal Fluid Research is published by BioMed Central, an independent publisher committed to ensuring peer-reviewed biomedical research is Open Access.
		Cerebrospinal Fluid Research's articles are archived in PubMed Central, the US National Library of Medicine's full-text repository of life science literature, and also in repositories at the University of Potsdam in Germany, at INIST in France and in e-Depot, the National Library of the Netherlands' digital archive of all electronic publications.
	www.cerebrospinalfluidresearch.com /info/about (776 words)

	cerebrospinal fluid - multiple sclerosis encyclopaedia
		Cerebrospinal fluid (CSF) is a fluid that surrounds the central nervous system (CNS).
		Cerebrospinal fluid is produced by an organ, called the choroid plexus, in the interior fluid spaces of the brain (ventricles) and by the surface of the roof of the third and fourth ventricles.
		Cerebrospinal fluid is isolated both from the brain and the blood by a protective layer called the ependyma or Blood-Brain-Barrier (BBB).
	www.mult-sclerosis.org /cerebrospinalfluid.html (424 words)

	Cerebrospinal Fluid
		Cerebrospinal fluid (CSF) is a biologic fluid, formed mainly in the ventricular choroid plexus, distributed within the ventricular system, basal cisterns, and subarachnoid space.
		Fluid is first filtered through the core capillaries of the choroid plexus into the extracellular space surrounding the choroidal cells.
		The crux of the diagnosis is the demonstration of neoplastic cells in the cerebrospinal fluid.
	www.ncbi.nlm.nih.gov /books/bv.fcgi?rid=cm.chapter.2430 (7174 words)

	Spontaneous Cerebrospinal Fluid Leaks May Present as Exertional Headache
		The headache derived from cerebrospinal fluid leaks may be characterized by cervical and/or intrascapular pain preceding the headaches for days or weeks; by lingering, non-orthostatic headaches preceding orthostatic headaches by days, weeks, or months; or by the acute, thunderclap-like onset of orthostatic headaches themselves.
		If they have a cerebrospinal fluid leak and if their cerebrospinal fluid leak is associated with the usual abnormal head MRI findings, such as diffuse pachymeningeal gadolinium enhancement, sagging of the brain, or descent of the cerebellar tonsils, it will thus be detected and further appropriate investigations will be carried out.”
		Mokri B. Spontaneous cerebrospinal fluid leaks: from intracranial hypotension to cerebrospinal hypovolemia—evolution of a concept.
	www.neurologyreviews.com /jan02/fluid.html (1286 words)

	eMedicine - Cerebrospinal Fluid, Leak : Article by Hugh J Robertson, MD, DMR, FRCPC, FRCR, FACR
		Background: Cerebrospinal fluid (CSF) leak may occur from the nose (rhinorrhea), from the external auditory canal (otorrhea), or from a traumatic or operative defect in the skull or spine.
		The absence of glucose tends to exclude CSF as the leaking fluid.
		Drops of fluid from a CSF leak placed on absorbent filter paper may result in the double-ring sign, which is a central circle of blood and an outer clear ring of CSF.
	www.emedicine.com /radio/topic139.htm (5001 words)

	Effects of trepanation on brain pulsations
		After the discovery of the cerebrospinal fluid in which the brain substance bathes, however, the problem of the existence or absence of brain pulsations was approached in an entirely different light (Contugno, 1864; Magendie, 1825).
		When the cerebrospinal fluid was discovered, it was recognized that the cranial cavity was completely filled and the point of view that cerebral pulsations in the hermetically closed skull were not possible also appeared in the literature.
		As to his second premise, it is difficult to imagine that such a complex process as the infiltration of cerebrospinal fluid into the cerebral substance would be effected merely by mechanical factors, such as the propulsion of cerebrospinal fluid into the brain by the pulse waves.
	www.trepanationguide.com /trepanation_effects_on_pulsation.htm (8376 words)

	Cerebrospinal fluid (CSF) leaks
		Cerebrospinal fluid depletion may be caused by a leak, a shunt, inadequate production or too rapid absorption.
		Testing of the fluid dripping from the nose for glucose is no longer thought to be useful.
		Leaks of spinal fluid from the nose or external ear can be detected by assaying the fluid with a new test called beta-trace protein assay (Bachman et al, 2002; Wernecke et al, 2004).
	www.dizziness-and-balance.com /disorders/central/csf-leak.html (2150 words)

	brain injury .com \| How Can the Brain Be Injured
		Underneath the arachnoid, between the arachnoid and the brain itself, is cerebrospinal fluid bathing and circulating around the brain.
		Blood leaking into the cerebrospinal fluid is known as a sub-arachnoid hemorrhage.
		The brain is hollow; the interior cavities, called ventricles, contain cerebrospinal fluid circulating from the ventricles up over the surface of the brain where the cerebrospinal fluid is absorbed.
	www.braininjury.com /injured.html (2144 words)

	This is the Title/Header
		Clinical and experimental observation has established that the cerebrospinal fluid (CSF) is mainly formed by secretion from the choroid plexuses of the cerebral ventricles.
		The fluid acts in some respect as a "sink" preventing the extracellular fluid of the brain from achieving a true equilibrium with the blood plasma.
		The composition of the ventricular CSF is very different from that of cisternal and spinal fluid, indicating that some components are added to the fluid across the spinal arachnoid.
	www.angelfire.com /wa/wafshaf50/CSF.html (638 words)

	Pseudotumor Cerebri (Idiopathic Intracranial Hypertension)
		The diagnosis of IIH is made by identifying the typical symptoms of the disease along with documentation of a high spinal fluid pressure (done during a spinal tap).
		Note the large space, filled with the web-like strands of arachnoid between the nerve and the nerve sheath.With optic nerve sheath surgery, a hole is cut in the sheath of the nerve that allows fluid to leak and pressure to decrease.
		Tubing is placed in the spinal fluid space, (the space entered during a lumbar puncture or spinal tap and tubing is then run to the abdomen.
	webeye.ophth.uiowa.edu /ips/IIH/PSEUDOTU.HTM (1285 words)

	Cerebrospinal Fluid Technique-Introducing Cerebrospinal Fluid Technique
		It is Dr. Glassey's revolutionary theory that CSF is the fluid of life, the life force (Ki, Chi, Prana) of the body.
		The sole purpose and objective of "CSFT" is to "awaken" the flow of the CSF to release the healing power of the body on all levels via neuropeptides, which circulate in the cerebrospinal fluid.
		He reasoned that since CSF is primarily produced at the top of the cranium in the lateral ventricles, then travels down to the level of the second lumbar vertebrae, and up again around the cranium, that CSF was the physical manifestation of the movement of prana.
	www.healtouch.com /csft/introcsft.html (1412 words)

	Definition of cerebrospinal fluid - NCI Dictionary of Cancer Terms
		The fluid that flows in and around the hollow spaces of the brain and spinal cord, and between two of the meninges (the thin layers of tissue that cover and protect the brain and spinal cord).
		Cerebrospinal fluid is made by tissue called the choroid plexus in the ventricles (hollow spaces) in the brain.
		cerebrospinal fluid diversion, cerebrum, cervical, cervical cancer, cervical intraepithelial neoplasia
	www.cancer.gov /Templates/db_alpha.aspx?CdrID=46483 (82 words)

	Massage Spirit
		Sutherland tapped into the relationship between the central nervous system and the cerebrospinal fluid.
		The central nervous system communicates with the cerebrospinal fluid and our cerebrospinal fluid in turn communicates with the tapestry of connective tissue that runs throughout our entire body.
		The practitioner is “listening” to the respiration and tides of the cerebrospinal fluid in the tissues.
	www.massagespirit.com /pages/cranio.html (348 words)

	Open Head Traumatic Brain Injury
		Cerebrospinal fluid is fluid that cushions the brain and spinal column.
		If cerebrospinal fluid seeps from a person's ears or nose, this is a sign of serious skull fracture.
		To help decrease intracranial pressure by draining blood or cerebrospinal fluid from the skull, a surgeon may insert a catheter into the skull.
	www.allabouttbi.com /open-head-injury (1105 words)

	Cerebrospinal fluid (CSF) analysis
		The spine must be curved to allow as much space as possible between the lower vertebrae, or bones of the back, for the doctor to insert a lumbar puncture needle between the vertebrae and withdraw a small amount of fluid.
		An inflammation or infection of the brain and spinal cord caused by a virus or as a complication of another infection.
		"Cerebrospinal Fluid Analysis in Fatal Thallium Poisoning: Evidence for Delayed Distribution into the Central Nervous System." American Journal of Forensic Medicine and Pathology 25 (June 2004): 156-158.
	www.healthatoz.com /healthatoz/Atoz/ency/cerebrospinal_fluid_csf_analysis.jsp (1688 words)

	Cerebrospinal fluid
		The cerebrospinal fluid (CSF) is produced from arterial blood by the choroid plexuses of the lateral and fourth ventricles by a combined process of diffusion, pinocytosis and active transfer.
		The interstitial space of the brain is separated from the ventricular CSF by the ependymal lining and from the subarachnoid CSF by the glia limitans.
		Such blood stains the fluid that is drawn initially and clears gradually.
	neuropathology.neoucom.edu /chapter14/chapter14CSF.html (948 words)

	National MS Society : Sourcebook: Cerebrospinal Fluid (CSF)
		Cerebrospinal fluid (CSF) is a clear, colorless liquid that bathes the central nervous system.
		While the primary function of CSF is to cushion the brain within the skull and serve as a shock absorber for the central nervous system, CSF also circulates nutrients and chemicals filtered from the blood and removes waste products from the brain.
		CSF is obtained by doing a lumbar puncture or "spinal tap." A long, thin, hollow needle is inserted between two bones in the lower spine and into the space where the CSF circulates.
	www.nationalmssociety.org /site/PageServer?pagename=HOM_LIB_sourcebook_csf (303 words)

	Cerebrospinal Fluid Leaks - New York Presbyterian Hospital
		Cerebrospinal fluid (CSF) depletion may be caused by a leak, a shunt, inadequate production or too-rapid absorption.
		Radioactive label or a fluorescent dye injected into the spinal fluid to test for the label or dye in the fluid.
		Head or spine MRI to detect evidence of sinking of the brain, collapse of the superior opthalmic vein, subdural fluid collection, decrease in ventricular size and prominent dural sinuses, extra-arachnoid fluid, meningeal diverticuli, meningeal enhancement, or engorgement of epidural venous plexi.
	www.nyp.org /health/cerebrospinal-fluid-leaks.html (579 words)

	Biofluids.net Homepage
		F. Loth, M.A. Yardimci, N. Alperin, "Dynamics of cerebrospinal fluid in the spinal cavity," Journal of Biomechanical Engineering, Vol.
		W. Kalata, S. Lee, N.E. Piersol, N. Alperin, P.F. Fischer, F. Loth, “Three-dimensional computational fluid dynamics of cerebrospinal fluid motion within the spinal cavity,” Proceedings of the 2001 Bioengineering Conference, BED-Vol.
		M.A. Yardimci, F. Loth, N. Alperin, “Hydrodynamic modeling of cerebrospinal fluid motion within the spinal cavity," Proceedings of the 2000 Bioengineering Conference ASME, BED-Vol.
	www.biofluids.net /publications.html (1770 words)

	Cerebrospinal Fluid (Csf) Analysis \| Caremark Health Resources
		During a lumbar puncture, or spinal tap, a procedure in which cerebrospinal fluid is aspirated, the physician inserts a hollow, thin needle in the space between two vertebrae of the lower back and slowly advances it toward the spine.
		The cerebrospinal fluid pressure is then measured and the fluid is withdrawn for laboratory analysis.
		The cavity or hollow space within the spine that contains cerebrospinal fluid.
	healthresources.caremark.com /topic/topic100586595 (1514 words)

	Research
		Bering, E.A., "Circulation of the Cerebrospinal Fluid, Demonstration of the Choroid Plexuses as the Generator of the force for Fluid Flow and Ventricular Enlargement", Journal of Neurosurgery, Vol.
		Fishman, R., Cerebrospinal Fluid in Disease of the Nervous System, W.B. Saunders, 1980, 1-325.
		Wayte, S.C. "Magnetic Resonance Imaging of Pulsatile Cerebrospinal Fluid Flow by Spatial Modulation of Magnetization", The British Journal of Radiology, Vol.
	www.osteohome.com /SubPages/research.html (1383 words)

	Cerebrospinal fluid leak
		Cerebrospinal fluid is the fluid found in and around the central nervous system (CNS) organs, the brain and spinal cord.
		The fluid allows the organs to be buoyant protecting them from blows or other trauma.
		Inside the skull the cerebrospinal fluid is contained by the dura which covers the brain.
	www.healthcentral.com /ency/408/imagepages/9240.html (324 words)

	Cerebrospinal Fluid
		Cerebrospinal fluid (CSF) analysis is a laboratory test to examine a
		fluid is a fluid that circulates throughout the central nervous
		Cerebrospinal Fluid Analysis - September 15, 2003 - American Family...
	www.naturaltherapists.com /search/cerebrospinal-fluid.html (266 words)

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