Budgerigar throat. Coloured scanning electron micrograph (SEM) of the oesophagus of a budgerigar (Melopsittacus undulatus). The oesophagus in most birds is lined with layers of keratinocytes (orange),cells that produce keratin (a tough,fibrous protein). The budgerigar is a highly sociable type of parrot. Magnification: x500 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 5012 px × 3543 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |