Snakes Respiratory system

Boa constrictor Oral cavity Jacobson’s organ

Boa constrictor Oral cavity Jacobson’s organ

Boa constrictor Oral cavity Jacobson’s organ Bloodvessels in mucosa

Boa constrictor Oral cavity Jacobson’s organ Bloodvessels in mucosa

Boa constrictor Oral cavity Jacobson’s organ Blood vessels in mucosa

Pituophis melanoleucus annectens Tracheal opening normal

Python molurus Lung; Falveolar wall; Anastomose between respiratory capillary and central vein

Morelia spilotes Lung Melanocyes in capillaries

Eunectes murinus Lung Epithelium Metaplastic; ciliated

Boa constrictor Trachea “non closed” cartilage ring. Ligamentum transversum

Python regius Trachea. Non-closed ring : Ligamentum transversum

Orthriophis moellendorffi Trachea. Non-closed ring : Ligamentum transversum

Boa constrictor Lung Normal Cartilagenous groove

Pantherophis vulpinus Lung “Bronchus” several cartilaginous elements

Python m. bivittatus Lung acute pneumonia (Falveoli filled with exudate)

Python m. bivittatus Lung acute pneumonia

Python regius Lung Serous pneumonia Anastomose respiratory capillary and central vein in falveolar wall (X)

Python regius (Paintball) lung serous bacterial pneumonia

Chondropython viridis Lung Interstitial pneumonia

Pituophis melanoleucus Lung Haemorrhagic pneumonia

Boa constrictor Lung Pulmonary haemorrhage

Boa constrictor Lung; Emphysema, regional pneumonia

Lampropeltis alterna Lung Cyst formed

Python m. bivittatus Lung Inflammation interstitial oedema along lumen

Boiga dendrophila Pneumonia – focal

Python molurus Lung Acute pneumonia

Boa constrictor Lung bronchopneumonia

Bitis arietans Lung; Scar – due to string?

Boa constrictor Lung Mucous pneumonia

Python regius Pneumonia (bacterial)

Python regius Pneumonia haemorrhagic (Bacterial)

Python regius Lung Pneumonia

Boa constrictor Lung BALT Hyperaemic and infiltrated by heterophils

Python regius Lung; Catarrhal pneumonia.

Python regius Lung Pneumonia;m Invasion lymphocytes. Proliferation epithelium

Epicrates sp. Lung pneumonia. Falveolus Vitellin (V) + Bacteria (B)

Morelia spilotes  Lung local emphysema