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  2. Fusion beat - Wikipedia

    en.wikipedia.org/wiki/Fusion_beat

    This contrasts with the pseudofusion beat wherein the pacemaker impulse does not affect the complex of the natural beat of the heart. Pseudofusion beats are normal. Rare or isolated fusion beats caused by pacemakers are normal as well, but if they occur too frequently may reduce cardiac output and so can require adjustment of the pacemaker. [3]

  3. Allograft inflammatory factor 1 - Wikipedia

    en.wikipedia.org/wiki/Allograft_inflammatory...

    In the CD14 positive cells, AIF-1 support secretion of IL-6 and various chemokines. [14] AIF-1 may also play a role in the T-cell response. It has been shown that AIF-1 increases expression of IL-2 and IFN-γ in T-cells, while the expression of IL-4 and TGF-β is decreased. The presence of AIF-1 also inhibits polarization into regulatory T ...

  4. Neuroendocrine cell - Wikipedia

    en.wikipedia.org/wiki/Neuroendocrine_cell

    An example of a neuroendocrine cell is a cell of the adrenal medulla (innermost part of the adrenal gland), which releases adrenaline to the blood. The adrenal medullary cells are controlled by the sympathetic division of the autonomic nervous system. These cells are modified postganglionic neurons. Autonomic nerve fibers lead directly to them ...

  5. Syncytium - Wikipedia

    en.wikipedia.org/wiki/Syncytium

    A syncytium (/ s ɪ n ˈ s ɪ ʃ i ə m /; pl.: syncytia; from Greek: σύν syn "together" and κύτος kytos "box, i.e. cell") or symplasm is a multinucleate cell that can result from multiple cell fusions of uninuclear cells (i.e., cells with a single nucleus), in contrast to a coenocyte, which can result from multiple nuclear divisions without accompanying cytokinesis. [1]

  6. Liquefactive necrosis - Wikipedia

    en.wikipedia.org/wiki/Liquefactive_necrosis

    The cyst wall is formed by proliferating capillaries, inflammatory cells, and gliosis (proliferating glial cells) in the case of brain and proliferating fibroblasts in the case of abscess cavities. Brain cells have a large amount of digestive enzymes (hydrolases). These enzymes cause the neural tissue to become soft and liquefy.

  7. Postperfusion syndrome - Wikipedia

    en.wikipedia.org/wiki/Postperfusion_syndrome

    Postperfusion syndrome, also known as "pumphead", is a constellation of neurocognitive impairments attributed to cardiopulmonary bypass (CPB) during cardiac surgery. ...

  8. Glymphatic system - Wikipedia

    en.wikipedia.org/wiki/Glymphatic_system

    The majority of the CSF is formed in the choroid plexus and flows through the brain along a distinct pathway: moving through the cerebral ventricular system, into the subarachnoid space surrounding the brain, then draining into the systemic blood column via arachnoid granulations of the dural sinuses or to peripheral lymphatics along cranial ...

  9. Nocardiosis - Wikipedia

    en.wikipedia.org/wiki/Nocardiosis

    A weakened immune system is a general indicator of a person who is more susceptible to nocardiosis, such as someone who already has a disease that weakens their immune system. Additionally, those with low T-cell counts or other complications involving T-cells can expect to have a higher chance of becoming infected. Besides those with weak ...