Tracheobronchoscopy, various reptiles

Tracheobronchoscopy. A) Greek tortoise (Testudo graeca) trachea with complete tracheal rings. B) Ball python (Python regius) trachea with obvious dorsal ligament (arrow). C) Tracheal bifurcation and primary bronchi in a green iguana (Iguana iguana). D) Simple sac-like lung in a green iguana. E) Compartmentalized lung in a panther chameleon (Furcifer pardalis). F) Granulomatous pneumonia due to Mycobacterium spp in a ball python.