File:Cardiac muscle EM01.jpg: Difference between revisions
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==Cardiac Muscle Electron Micrograph== | ==Cardiac Muscle Electron Micrograph== | ||
Electron micrograph of parts of three cat cardiac muscle fibers and an adjacent capillary in longitudinal section. | Electron micrograph of parts of three cat cardiac muscle fibers and an adjacent capillary in longitudinal section. This is a historic (1969) EM showing key features in cardiac muscle ultrastructure. Only the intercalated disc and some cross-striations can typically be seen in the light microscope histology slides. | ||
* '''In D''' - Intercalated disc, the two upper cells are joined end to end by a typical steplike intercalated disc. | * '''In D''' - Intercalated disc, the two upper cells are joined end to end by a typical steplike intercalated disc. | ||
Revision as of 15:01, 6 August 2012
Cardiac Muscle Electron Micrograph
Electron micrograph of parts of three cat cardiac muscle fibers and an adjacent capillary in longitudinal section. This is a historic (1969) EM showing key features in cardiac muscle ultrastructure. Only the intercalated disc and some cross-striations can typically be seen in the light microscope histology slides.
- In D - Intercalated disc, the two upper cells are joined end to end by a typical steplike intercalated disc.
- Mt - Rows of mitochondria appear to divide the contractile substance into myofibril-like units but, unlike the true myofibrils of skeletal muscle, these branch and rejoin and are quite variable in width.
- Lp - Lipid droplets somewhat distorted in specimen preparation are found between the ends of the mitochondria.
- Cap - Capillary.
Original image X 15,000.
Reference
<pubmed>4891913</pubmed>| PMC2107571
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| current | 12:52, 6 August 2012 |  | 1,072 × 735 (231 KB) | Z8600021 (talk | contribs) | ==Cardiac Muscle EM== Electron micrograph of parts of three cat cardiac muscle fibers and an adjacent capillary (Cap) in longitudinal section. The two upper cells are joined end to end by a typical steplike intercalated disc (In D).Rows of mitochondria ( |
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