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Description

The nucleoli small basophilic, spherical, non-membrane enclosed, highly conserved, structures that are localized within the nucleus. Usually, they are localized in the central nuclear region or close to the nuclear membrane. They are formed around nucleolus organizer regions (NORs) consisting of ribosomal DNA (rDNA). They are structurally organized into the fibrillar center, the dense fibrillar component, and the granular component region. Clone 125-10 detects human nucleoli by immunocytochemistry.