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Tag Archives: astrocyte

Health and Medicine (健康・医療)
Newest Blogs (最新ブログ)
2019-09-09comment(0)

Neuroglia – Neuron Support Cells (1) 神経膠 – ニューロン支援細胞(1)

By Billy Hammond (Copyright AELS) There are cells in the central nervous system (think brain, brainstem, spinal cord) that provide a good environment and support for the neurons. They are the astrocytes, oligodendrocytes, microglia and ependymal cells. Astrocytes Astrocytes are the largest cells of the neuroglia. They have a star shape with an egg-shaped nucleus. They provide support for the neurons by creating a barrier that prevents the spread of transmitters from the synapses. They also provide electrical insulation for the neurons. In addition they take up some neurotransmitters like GABA and terminate their action. Astrocytes can proliferate in a mature brain, which is why they are the cause of most brain tumors. Astrocytes also take care of extra K+ from local neural activity, by taking it up through membrane channels and dissipating it over a large area. They repair […]

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MENUMENU
  • Services
  • ブログ(Blog)
    • Novels by Billy (小説)Novels written by Billy Hammond. ビレー ハモンド著作小説(和文編集:伊庭野 れい子)
    • Paranormal(超常現象)Articles about the supernatural and paranormal.
    • English Teaching 英会話Stories gathered from my years of teaching English
    • Gardening (ガーデニング)Articles about gardens and gardening. 専業農家経験のあるBillyのガーデニングについての記事。
    • Hawaii( ハワイ)Various articles about Hawaii. ハワイについての様々な記事
    • Health and Medicine (健康・医療)Blog articles dealing with medicine and health.
    • Japan (日本)Articles pertaining to different aspects of Japan.
    • Security and Disaster Prevention (防犯・災害対策)Articles about disaster preparedness and home and business security.
    • China (Teddy Bear食器)Teddy Bear 食器在庫処分。Teddy Bear china (No international shipping)
    • Eng. Study Materials (英会話教材)
    • Uncategorized (その他)
    • Newest Blogs (最新ブログ)Shows the latest blog posts
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