<u>Microglia cells </u>are glial cells that respond to injury or disease by multiplying, and then engulfing cellular debris or even entire cells.
<h3>Functions of microglia</h3>
Microglia cells are the immune cells of the central nervous system and consequently play important roles in brain infections and inflammation. Recent in vivo imaging studies have revealed that in the resting healthy brain, microglia are highly dynamic, moving constantly to actively survey the brain parenchyma.
These active microglia can rapidly respond to pathological insults, becoming activated to induce a range of effects that may contribute to both pathogenesis, or to confer neuronal protection.
However, interactions between microglia and neurons are being recognized as important in shaping neural circuit activity under more normal, physiological conditions. During development and neurogenesis, microglia interactions with neurons help to shape the final patterns of neural circuits important for behaviour and with implications for diseases.
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The client must be positioned in Semi-Fowler's position with the head elevated at a 30-degree angle.
Supratentorial surgery patients should have the head of the bed raised 30 degrees to improve venous drainage from the head.
- The client is positioned so that there is no excessive hip or neck flexion, and the head is held in a midline neutral posture.
- If a big tumour has been removed, the patient should be put on the nonoperative side to prevent cranial contents displacement.
- The flat or Trendelenburg posture would raise intracranial pressure.
- A reverse Trendelenburg posture would be ineffective and maybe unpleasant for the client.
To assist venous drainage after a craniotomy, the head of the bed is elevated 30 to 45 degrees (semi-to Fowler's Fowler's position), and the client's head is maintained in a midline, neutral position.
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Answer:
a. solution
Explanation:
a solution always consists of a soluble and a solvent.
Answer:
Yes, you don't want something that say protects you only before a certain age
Explanation:
