Oesophagus lining,SEM

Numéro d’image : 11872606
Oesophagus lining,SEM
Oesophagus lining. Coloured scanning electron micrograph (SEM) of the lining (epithelium) of the human oesophagus (gullet,blue) and two bacteria (red). The lining of the oesophagus is composed of non-keratinised,striated,squamous epithelial cells. They have a surface covered in these ridges (microplicae) that protect against the abrasion of rough food. Many types of bacteria are found in the alimentary canal,of which the oesophagus is the upper part. Rod-shaped varieties of bacteria are known as bacilli. The oesophagus is a muscular tube,about 25 centimetres long,that runs from the back of the throat down to the stomach
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 3500 px × 2794 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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