Oesophagus wall. Coloured light micrograph (LM) of a longitudinal section through the human oesophagus,which passes food from the mouth to the stomach. The oesophagus lumen (white,top) is lined by a thick stratified squamous epithelium (pink with purple base). This protects underlying tissue and enables the passage of solid material by the lubricant action of its glandular secretion. Next is a supporting layer of connective tissue (upper centre),the lamina propria,rich in elastin fibres. Then the submucosa containing mucous glands,and beneath that is a thick layer of circular and longitudinal muscles (blue). Magnification: x25 at 35mm size | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Michler, Astrid & Hans-Frieder |
Bildgröße: | 5066 px × 3451 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |