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Cerebral atrophy is a common feature of many of the diseases that affect the brain. Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes a loss of neurons and the connections between them. Brain atrophy can be classified into two main categories: generalized and focal atrophy. Generalized atrophy occurs across the entire brain whereas focal atrophy affects cells in a specific location. If the cerebral hemispheres (the two lobes of the brain that form the cerebrum) are affected, conscious thought and voluntary processes may be impaired.

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  • ضمور الدماغ (ar)
  • Atròfia cerebral (ca)
  • Hirnatrophie (de)
  • Cerebral atrophy (en)
  • Atrofia cerebrale (it)
  • 腦萎縮 (zh)
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  • ضُمُورُ الدماغ أو ضمور المخ (بالإنجليزية: Cerebral atrophy)‏. هو من الملامح الموجودة في العديد من امراض الدماغ وتحصل عندما تموت خلايا الاعصاب والخلايا التي تصل بينهم، قد يكون الضمور عمومي أو بؤري. يعدّ ضمور المّخ من الامراض العصبيّة التي تصيب الأعصاب، وهو عرض للكثير من الأمراض التي تؤثر بوظيفة الدّماغ الرئيسيّة، وضمور المّخ هو عبارة عن تلّف وفقدان في خلايا المخ ككل أو جزء منها مما يسبب قصور وفقدان للقيام بالعمليات الإرادية وعمليات التفكير والتركيز لدى الإنسان. (ar)
  • Als Hirnatrophie (umgangssprachlich: Gehirnschwund) bezeichnet man einen allmählichen Verlust von Hirnsubstanz. In gewissem Umfang ist ein Rückgang von Volumen und Masse des Gehirns mit fortschreitendem Alter normal, man verliert ab dem 20. Lebensjahr etwa 50.000 bis 100.000 Hirnzellen täglich. Nur die über das Altersmaß hinausgehenden Veränderungen werden als Hirnatrophie bezeichnet. Langfristig kann Hirnatrophie zu neurologischen Ausfallerscheinungen und zum fortschreitenden Verlust der kognitiven Leistungsfähigkeit führen. Es gibt aber keinen linearen Zusammenhang zwischen Ausmaß der Atrophie und Leistungsminderung. (de)
  • 脑萎缩是中枢神经系统疾病所造成的一種症狀， 是指腦组织的细胞（神經元）體積縮小。如果大脑半球出現萎縮，思维和自理能力可能会受到影響。 一定程度的脑萎缩是由於衰老而自然发生的。人脑在25岁时基本發育成熟。35岁后大腦開始慢慢萎缩，並以每年0.2%的程度萎縮下去。当达到70岁时，萎縮的速度会加快。到90岁时，人脑相對於25歲時它的重量将减少15%。 (zh)
  • L'atròfia cerebral és una característica comuna de moltes de les malalties que afecten el cervell. L'atròfia de qualsevol teixit significa una disminució de la mida de la cèl·lula, que es pot deure a la pèrdua progressiva de proteïnes citoplasmàtiques. En el teixit encefàlic, l'atròfia descriu la pèrdua de neurones i les connexions entre elles. L'atròfia es pot generalitzar, cosa que significa que tot l'encèfal es redueixi; o pot ser focal, afectant només una àrea limitada, produint llavors una disminució de les funcions que controla aquella àrea de l'encèfal. Si els hemisferis cerebrals (els dos lòbuls del cervell que formen el cervell) es veuen afectats, el pensament conscient i els processos voluntaris es poden veure afectats. (ca)
  • Cerebral atrophy is a common feature of many of the diseases that affect the brain. Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes a loss of neurons and the connections between them. Brain atrophy can be classified into two main categories: generalized and focal atrophy. Generalized atrophy occurs across the entire brain whereas focal atrophy affects cells in a specific location. If the cerebral hemispheres (the two lobes of the brain that form the cerebrum) are affected, conscious thought and voluntary processes may be impaired. (en)
  • Per atrofia cerebrale si intende una riduzione del numero di neuroni a livello dell'encefalo, e conseguentemente del volume cerebrale. Tale riduzione può riguardare l'intero encefalo, determinando una riduzione simmetrica, oppure un'area specifica, dando sintomi specifici a seconda della zona interessata ed una riduzione asimmetrica. (it)
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