胶质 Traditional form: 膠質 Pinyin (reading): jiāozhì Definitions: colloid gelatinous matter Characters: 胶 - glue, gum, resin, rubber; sticky; to glue 质 - essence, nature; material, substance Traditional characters: 膠 - glue, gum, resin, rubber; sticky; to glue 質 - essence, nature; material, substance