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astrocytosis

Pronunciation: as′trō-sī-tō′sis

Definition: An increase in the number of astrocytes, frequently observed in an irregular zone of variable definition adjacent to degenerative lesions (encephalomalacia), focal inflammations (abscesses), or certain neoplasms in the brain; in some instances, astrocytosis may be diffuse in a relatively large region; astrocytosis represents a reparative mechanism.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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