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The Nucleolus

The Nucleolus

The nucleolus is the most prominent substructure of the nucleus. When it was first discovered, it was considered to be an isolated organelle that forms fibrils and granules. In 1931, the relationship between the nucleolus and chromosomes was first described by Heitz. He observed that the appearance and size of nucleolus varies depending on the stage of the cell cycle. He also noticed constricted regions on different chromosomes clustered together at definite cell cycle stages. These regions,...

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Follicular psoriasis: an underdiagnosed entity?

Bruno de Castro E Souza¹, Luisa Groba Bandeira¹, Thais do Amaral Carneiro Cunha¹

¹Department of Dermatology, Hospital do Servidor Público do Estado de São Paulo, São Paulo (SP), Brazil.

Anais Brasileiros De Dermatologia

|February 7, 2019

Summary

No abstract available in PubMed .

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