1940
DOI: 10.1002/ar.1090780403
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On the origin and relations of the pulmonary macrophages

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1951
1951
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Cited by 6 publications
(4 citation statements)
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“…Most of the recent work indicates that in the normal mammalian lung the alveoli have no continuous cellular lining but that the septa1 cells are isolated units normally present on the alveolar wall (Clements, 1940; Ham and Baldwin, 1941; Macklin, 1946; Loosli, 1948; Swigart and Kane, 1954). The embryological origin of these cells is still in dispute, but it is well recognised that they act as phagocytes.…”
Section: Discussionmentioning
confidence: 99%
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“…Most of the recent work indicates that in the normal mammalian lung the alveoli have no continuous cellular lining but that the septa1 cells are isolated units normally present on the alveolar wall (Clements, 1940; Ham and Baldwin, 1941; Macklin, 1946; Loosli, 1948; Swigart and Kane, 1954). The embryological origin of these cells is still in dispute, but it is well recognised that they act as phagocytes.…”
Section: Discussionmentioning
confidence: 99%
“…It is also believed that in many pathological conditions where the alveoli develop a lining epithelium, this arises from the septa1 cells (El Gazayerli, 1936;Geever et al, 1943;Watts and McDonald, 1948), as it also appears to do in tissue cultures of the lung (Rosin, 1947). Such a lining is apparently readily developed, though at a variable rate and in response to comparatively mild stimuli.…”
Section: Discussionmentioning
confidence: 99%
“…In environments where sunlight is low, decreased yields of sugar resulted if the N applications were too high (see Borden 1940Borden , 1944. The work of Clements (1940), Clements and Moriguchi ( 1942), and Clements and Kubota (1943) with sugar cane showed that, in locations where soil moisture and soil nutrients were essentially the same, the marked difference in yields of sugar is correlated with differences in sunlight. It would thus appear from numerous reports (see Nightingale 1948) that variants such as soil nitrogen (N), sunlight (L), and temperature (T) (see also Foster and Tatman 1938;Went 1944Went , 1945Gregory and Sen 1937;Nightingale 1942) exert a powerful influence on metabolic processes in plants and that unfavourable combinations of these variants (N-L-T) may be detrimental to the production of a crop.…”
Section: Discussionmentioning
confidence: 99%
“…2.1. Regiões do colmo, tamanho dos toletes e posição das gemasCLEMENTS (1940), estudou o comportamento de toletes de uma gema provenientes de colmos inteiros e verificou que a germinação de-tro lado os brotos das gemas colocadas para baixo são mais fortes que as de cima. Quando se usam toletes de duas gemas e a mais jo vem e colocada para cima, a germinação da segunda ê afetada, tanto P!…”
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