
Nuclear pores
A high magnification electron micrograph demonstrates nuclear pores. Pores are normally located at points of interruption of perinuclear heterochromatin. The illusion of a diaphragm spanning each pore results from the presence of proteins forming a pore complex. 50,000x

Nucleus
A high magnification electron micrograph demonstrates nuclear pores. Pores are normally located at points of interruption of perinuclear heterochromatin. The illusion of a diaphragm spanning each pore results from the presence of proteins forming a pore complex. 50,000x

- Nuclear pores
A high magnification electron micrograph demonstrates nuclear pores. Pores are normally located at points of interruption of perinuclear heterochromatin. The illusion of a diaphragm spanning each pore results from the presence of proteins forming a pore complex. 50,000x

- Nuclear envelope
A high magnification electron micrograph demonstrates nuclear pores. Pores are normally located at points of interruption of perinuclear heterochromatin. The illusion of a diaphragm spanning each pore results from the presence of proteins forming a pore complex. 50,000x

- Heterochromatin
A high magnification electron micrograph demonstrates nuclear pores. Pores are normally located at points of interruption of perinuclear heterochromatin. The illusion of a diaphragm spanning each pore results from the presence of proteins forming a pore complex. 50,000x

RER
A high magnification electron micrograph demonstrates nuclear pores. Pores are normally located at points of interruption of perinuclear heterochromatin. The illusion of a diaphragm spanning each pore results from the presence of proteins forming a pore complex. 50,000x