Confocal micrograph of neural stem cells transplanted into mouse brain Mouse neural stem cells, labelled with green fluorescent protein, have been transplanted into the brain of a newborn mouse and ar...

Transmission electron micrograph of rat heart cardiac muscle from the atrium showing the regular arrangement of the actin-myosin myofilaments in cross section and abundant mitochondria. This 1958 TE...

Transmission electron micrograph of longitudinal section of rat cardiac muscle from the atrium. A of group of horizontally-running myofibrils is seen at the top. Also prominent are numerous glycogen...

Transmission electron micrograph of non-myelinating nerve Schwann cell surrounding nerve fibers from a rat atrium. Image made available by James D. Jamieson and the Department of Cell Biology, Yale U...

Classic early transmission electron micrograph of a thin section of guinea pig pancreas showing ribosome-studded rough endoplasmic reticulum. Image made available by James D. Jamieson and the Depart...

Early transmission electron micrograph showing intracisternal granules with an electron density equal to that of zymogen granules found in rough endoplasmic the reticulum lumen (cisternae) of animals ...

An electron micrograph of a thin section of a hypha of the fungal ascomycete Neurospora crassa. The cell wall, mitochondria and cytoplasmic ribosomes are prominent. Image made available by James D. Ja...

Colorized transmission electron micrograph of goblet cells packed full of mucous globules (blue). The cells release the globules to provide lubrication and protection to the inner surfaces of the int...

Light micrograph showing a cross section through a hair follicle. The hair shaft is made up of hard dead protein called keratin, which is observed in the center. This is surrounded by skin cells that ...

Confocal micrograph of teased sciatic nerve fibers. The fibers are triple labelled for neurofilament (blue), S100 (red) and dystrophin-related protein (DRP2) (green). The S100 protein is expressed in...