Dark-staining peroxisomes, TEM
Numéro d’image : 13501178
| Transmission electron micrograph (TEM) of dark-staining peroxisomes, formerly known as microbodies, taken from a normal rat liver cell. This membrane-bound cellular organelle contains enzymes which are responsible for producing and degrading peroxides. The most prevalent peroxisomal enzyme is often catalase, which degrades hydrogen peroxide to water and oxygen. The function of peroxisomes is unclear, but they are more abundant in cells associated with cholesterol metabolism and synthesis of steroids. Visible also in the cytoplasm are mitochondria (light ovals) involved in respiration and rough endoplasmic reticulum (threadlike) along which protein synthesis occurs. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / SCIENCE SOURCE / Don W. Fawcett |
| Taille de l’image : | 5106 px × 3520 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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