Results 201 to 210 of about 54,253 (241)
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Ultrastructure of Pulmonary Alveoli of the Calf
American Journal of Veterinary Research, 1974SUMMARY The ultrastructural characteristics of lung of the normal calf were basically similar to those described in other mammals. The alveolar septums were comprised of an epithelial lining resting on a relatively thin basal lamina overlying a varied thickness of connective tissue which surrounded the capillaries.
K, Rybicka +3 more
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Dust elimination from pulmonary alveoli
Environmental Research, 1980Abstract Some alveolar macrophages that engulf asbestos particles move through alveolar walls and spaces to the larger bronchioles. They pass through the bronchiolar wall to reach the lumen where they are elevated by cilia and pass out of the lung.
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Ultrastructural evidence for the innervation of human pulmonary alveoli
Experientia, 1980Electron Microscopic observations of the biopsied human pulmonary alveoli showed the occurrence of unmyelinated axons in the interstitium near the type I pneumocytes. These axons very likely have sensory functions.
M S, Hertweck, K S, Hung
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Marcello Malpighi and the discovery of the pulmonary capillaries and alveoli
American Journal of Physiology-Lung Cellular and Molecular Physiology, 2013Marcello Malpighi (1628–1694) was an Italian scientist who made outstanding contributions in many areas, including the anatomical basis of respiration in amphibia, mammals, and insects and also in the very different fields of embryology and botany. He was one of the first biologists to make use of the newly invented microscope and is best known as the ...
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Lymphatics of the Human Pulmonary Alveoli: Preliminary Report
Chest, 1970The subpleural lymphatics of a normal human lung were injected with a dilute, green-colored latex solution after the lung had been made edematous by normal saline infusions. The tracheobronchial tree was then filled with a white latex, following which the preparation was submerged in concentrated HCl to achieve corrosion of the tissues.
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Ultrastructure of pulmonary alveoli and macrophages in experimental Legionnaires' disease
The Journal of Pathology, 1983AbstractGuinea pigs, rhesus monkeys and marmosets infected with Legionella pneumophila in small particle aerosols developed an acute fibrinopurulent bronchopneumonia. Changes from 24 hr included exudation into alveoli of protein‐rich, often fibrinous fluid and many polymorphonuclear leucocytes (PMN) and macrophages.
A, Baskerville +4 more
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The Effect of Incomplete Fixation of Elastin on the Appearance of Pulmonary Alveoli
Journal of Biomechanical Engineering, 1982Pulmonary alveolar geometry in histological sections prepared by quick-freezing the lung, with freeze-substitution of ice, fixation of the dry lung with osmium tetroxide in nonaqueous and nonpolar solvent and celloidin embedding is remarkably different from the geometry seen in preparations made by instilling aqueous aldehyde or osmium tetroxide ...
S S, Sobin, Y C, Fung, H M, Tremer
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[The pores of Kohn in pulmonary alveoli].
Bulletin europeen de physiopathologie respiratoire, 1983The pores of Kohn are apertures in the alveolar septum, which allow the communication of two adjacent alveoli. Their existence has been most disputed, but was lastly supported in man and adult mammalians by observations from electron microscopy. Located between the meshes of the capillary network, these alveolar apertures are circular or oval, and are ...
C, Desplechain +4 more
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Electron microscopic observations of pulmonary alveoli
The Anatomical Record, 1954R H, SWIGART, D J, KANE
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