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• n  animal tissue that constitutes the essential part of an organ as contrasted with e.g. connective tissue and blood vessels
• n  the primary tissue of higher plants composed of thin-walled cells that remain capable of cell division even when mature; constitutes the greater part of leaves, roots, the pulp of fruits, and the pith of stems

• Originally the term "pneumonia" meant any disease characterized by high fever and inflammation of the parenchyma of the lungs.

News & Articles

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• Migration capacity of human umbilical cord mesenchymal stem cells towards glioma in vivo
  ( Neural Regeneration Research ) Glioblastoma is the most common malignant primary brain tumor in adults. The aggressive growth manner, characterized by marked angiogenesis and extensive tumor cell invasion into normal brain parenchyma with frequent formation of tumor microsatellites at distal sites, makes eradication impossible even after extensive microsurgical resection combined with current ...
  Sept. 10, 2013 - EurekAlert!