| piloid gliosis | An area of chronic, reactive astrocytosis composed of thin, hairlike cells in vaguely parallel array. (05 Mar 2000) |
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| piloid | Hairlike; resembling hair. Origin: pilo-+ G. Eidos, resemblance (05 Mar 2000) |
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| piloid astrocytoma | <tumour> A slowly growing astrocytoma composed histologically of elongated fibrous astrocytes; often located in the optic chiasm or hypothalamus. Synonym: piloid astrocytoma. (05 Mar 2000) |
| gliosis | The production of a dense fibrous network of neuroglia; includes astrocytosis, which is a proliferation of astrocytes in the area of a degenerative lesion. (12 Dec 1998) |
| gliosis uteri | Foetal neural tissue persisting or recurring locally as a benign condition in the endometrium or cervix; possibly derived from a homograft of foetal glial stroma. (05 Mar 2000) |
| isomorphous gliosis | A gliosis in which there is a regular and ordered arrangement of glial fibres. (05 Mar 2000) |