Microvilli, SEM-TEM comparison

Numéro d’image : 12948534
Microvilli, SEM-TEM comparison
Intestinal microvilli. Comparison between a scanning electron micrograph (SEM, left) and transmission electron micrograph (TEM, right) of an epithelial cell from a human small intestine, showing the densely packed microvilli. Each microvillus is approximately 1 micrometre long by 0.1 micrometre in diameter and contains a core of actin microfilaments. These tiny structures form a dense brush-like covering on the absorptive surfaces of the cells lining the small intestine. The cells absorb nutrients from digested food through the microvilli. Orange mitochondria are visible in the cytoplasm of the cell in the TEM image. Magnification: x3000 when printed at 10 centimetres wide. For a series of comparisons between SEMs and TEMs see images C047/7006 to C047/7034.
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 7180 px × 4572 px
Model Release : Non requis
Property Release : Non requis
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