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February 25, 1961

Subgross Pulmonary Anatomy in Various Mammals and Man

Author Affiliations

San Francisco; Davis, Calif.; Bethesda, Md.

From the Clinical Investigation Center, United States Naval Hospital, Oakland, California, and Department of Anatomy, School of Veterinary Medicine, University of California, Davis, Calif.; Dr. McLaughlin is clinical instructor, Department of Medicine, University of California Medical Center, San Francisco. Dr. Tyler is assistant professor, Department of Anatomy, School of Veterinary Medicine, University of California, Davis, Calif. Capt. Canada is chief of medicine, United States Naval Hospital, Bethesda, Md.

JAMA. 1961;175(8):694-697. doi:10.1001/jama.1961.63040080006011

THE PRESENT STUDY is part of an investigative project designed to classify pulmonary emphysema in the human being. One phase of the study called for an animal to be used experimentally in an effort to produce emphysema. It appeared logical to select an animal possessing a lung anatomically similar to that of man. A review of the literature revealed surprisingly little detailed information on the subject.

For many years, however, certain species differences in lungs have been recognized.1, 2 Degree of lobation and lobulation has been noted to be widely variable.3,4 A distinction has been made between animals with thick pleurae and thin pleurae.5 It has been shown that the rabbit does not possess respiratory bronchioles, but that many other animals do.6 Differences in the distribution of the bronchial artery have been reported,5 but the extent of distribution of the vessel has been the

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