Light micrograph transverse section through the proventriculus, or glandular stomach, of a chicken. This is where digestion primarily begins. Hydrochloric acid and digestive enzymes, such as pepsin, are added to the feed and begin to break it down more significantly than the enzymes secreted by the salivary glands. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Downer, Nigel |
Bildgröße: | 4259 px × 4103 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |