Distribution of the pulmonary artery and vein in the chimpanzee lung |
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Authors: | Shoichi Nakakuki |
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Institution: | (1) Tokyo Noko University, Fuchu, 183 Tokyo, Japan |
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Abstract: | Lungs of two chimpanzees (Pan troglodytes) were examined. The right pulmonary artery runs across the ventral side of the right upper lobe bronchiole and, then across
the dorsal side of the right middle lobe bronchiole. Thereafter, it runs between the dorsal bronchiole system and the lateral
bronchiole system, along the right bronchus. During its course, it gives off arterial branches which run along each bronchiole.
The left pulmonary artery runs across the dorsal side of the left middle lobe bronchiole and then between the dorsal bronchiole
system and the lateral bronchiole system. The branches of the pulmonary artery run mainly along the dorsal or lateral side
of the bronchiole. The pulmonary veins run mainly along the ventral or medial side of the bronchioles, and between them. Finally,
they enter the left atrium with four large veins, i.e. the common trunk of the right upper lobe vein and the right middle
lobe vein, right lower lobe pulmonary venous trunk, left middle lobe vein, and left lower lobe pulmonary venous trunk. |
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Keywords: | Pulmonary artery Pulmonary vein Chimpanzee Lung |
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