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  2. List of reference ranges for cerebrospinal fluid - Wikipedia

    en.wikipedia.org/wiki/List_of_reference_ranges...

    Reference ranges for ions and metals in CSF [1]; Substance Lower limit Upper limit Unit Corresponds to % of that in plasma [clarification needed]; Osmolality: 280 [1]: 300 [1]: mmol/L ...

  3. Cerebrospinal fluid - Wikipedia

    en.wikipedia.org/wiki/Cerebrospinal_fluid

    Cerebrospinal fluid (CSF) is a clear, colorless body fluid found within the tissue that surrounds the brain and spinal cord of all vertebrates. CSF is produced by specialised ependymal cells in the choroid plexus of the ventricles of the brain, and absorbed in the arachnoid granulations. In humans, there is about 125 mL of CSF at any one time ...

  4. Lymphocytic pleocytosis - Wikipedia

    en.wikipedia.org/wiki/Lymphocytic_pleocytosis

    Under normal conditions, there are usually less than 5 white blood cells per μL of CSF. In a pleocytic setting, the number of lymphocytes can jump to more than 1,000 cells per μL. Increases in lymphocyte count are often accompanied by an increase in cerebrospinal protein concentrations in addition to pleocytosis of other types of white blood ...

  5. CSF glucose - Wikipedia

    en.wikipedia.org/wiki/CSF_glucose

    CSF glucose levels can be useful in distinguishing among causes of meningitis as more than 50% of patients with bacterial meningitis have decreased CSF glucose levels while patients with viral meningitis usually have normal CSF glucose levels. Decrease in glucose levels during a CNS infection is caused due to glycolysis by both white cells and ...

  6. Pleocytosis - Wikipedia

    en.wikipedia.org/wiki/Pleocytosis

    In medicine, pleocytosis (or pleiocytosis) is an increased cell count (from Greek pleion, "more"), particularly an increase in white blood cell count, in a bodily fluid, such as cerebrospinal fluid. [1] It is often defined specifically as an increased white blood cell count in cerebrospinal fluid. [2]

  7. Arachnoid cyst - Wikipedia

    en.wikipedia.org/wiki/Arachnoid_cyst

    Patients with arachnoid cysts may never show symptoms, even in some cases where the cyst is large. Therefore, while the presence of symptoms may provoke further clinical investigation, symptoms independent of further data cannot—and should not—be interpreted as evidence of a cyst's existence, size, location, or potential functional impact on the patient.

  8. Macrophage colony-stimulating factor - Wikipedia

    en.wikipedia.org/wiki/Macrophage_colony...

    The colony stimulating factor 1 (CSF1), also known as macrophage colony-stimulating factor (M-CSF), is a secreted cytokine which causes hematopoietic stem cells to differentiate into macrophages or other related cell types. Eukaryotic cells also produce M-CSF in order to combat intercellular viral infection.

  9. Colony stimulating factor 1 receptor - Wikipedia

    en.wikipedia.org/wiki/Colony_stimulating_factor...

    Colony stimulating factor 1 (CSF-1) and interleukin-34 (IL-34) are both CSF1R ligands. Both ligands regulate myeloid cell survival, proliferation, and differentiation, but CSF-1 and IL-34 differ in their structure, distribution in the body, and the specific cellular signaling cascades triggered upon binding to CSF1R. [8]