The bronchial tree and lobular division of the chimpanzee lung |
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Authors: | Shoichi Nakakuki |
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Institution: | (1) Tokyo Noko University (Tokyo University Agriculture and Technology), Fuchu, 183 Tokyo, Japan |
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Abstract: | The bronchial ramification and lobular division in lungs of two chimpanzees (Pan troglodytes) were examined from the viewpoint of comparative anatomy, on the basis of the fundamental structure of bronchial ramification
of the mammalian lung (Nakakuki, 1975, 1980). The right lung of the chimpanzee consists of the upper, middle, and lower lobes, whereas the left lung consists
of the middle and lower lobes. The right and left lungs have the dorsal bronchiole system, lateral bronchiole system, and
medial bronchiole system. The ventral bronchiole system is lacking on both sides. The right upper lobe is formed by the first
branch of the dorsal bronchiole system. The right middle lobe is formed by the first branch of the lateral bronchiole system,
and the right accessory lobe bronchiole is lacking. The remaining bronchioles constitute the right lower lobe. In the left
lung, the upper and accessory lobes are lacking. The well developed middle lobe is formed by the first branch of the lateral
bronchiole system. The left lower lobe is formed by the remaining bronchioles. Furthermore, these bronchioles are compared
with those of the human lung byBoyden (1955). |
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Keywords: | Bronchial tree Lobular division Chimpanzee Lung |
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