Engel, Stefan

3 publications

Engel, Stefan (detail)
1959aRudimentary mammalian lungs.
Gegenbaurs Morph. Jahrb. 100: 95-114. 19 figs.
—The alveolar structure of the dugong lung is compared with those of crocodilians and monotremes; concludes that the dugong's structure is the most primitive among living mammals (102-104, 106, 111-114).
Engel, Stefan (detail)
1959bThe respiratory tissue of dugong (Halicore Dugong).
Anat. Anz. 106: 90-100. 14 figs.
—Reports that the lung tissue consists only of small, poorly differentiated vesicles, not of acini; these arise laterally from bronchioli. This is considered unique and perhaps primitive among mammals.
Engel, Stefan (detail)
1962The air-passages of the dugong lung.
Acta Anat. 48(1-2): 95-107. 17 figs.
—Describes the histology and microscopic anatomy of the air-conducting tubules, which differ in arrangement from the typical mammalian bronchial tree.