| perinuclear | <biology> Of or pertaining to a nucleus; situated around a nucleus; as, the perinuclear protoplasm. Source: Websters Dictionary (01 Mar 1998) |
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| perinuclear cataract | A lamellar cataract in which the nucleus is clear but is surrounded by a ring of opacity. (05 Mar 2000) |
| perinuclear space | <cell biology> Gap 10-40 nm wide separating the two membranes of the nuclear envelope. (18 Nov 1997) |