pneumocyten.
/ˈnjuːmə(ʊ)sʌɪt/, U.S. /ˈn(j)umoʊˌsaɪt/ Biology.
1. A blood cell containing haemoglobin or other oxygen-carrying pigment. disused. rare.
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the world > life > the body > vascular system > blood > components of blood > blood corpuscle or plate > [noun] > red cells or corpuscles
globule1674
red corpuscle1747
red blood disc1835
red cell1843
red blood corpuscle1844
pneumocyte1872
poikilocyte1886
haematid1888
normoblast1889
polychromatic normoblast1899
normocyte1900
spherocyte1908
polychrome1909
siderocyte1915
reticulocyte1922
proerythroblast1927
target cell1938
acanthocyte1952
sideroblast1954
1872 E. R. Lankester in Proc. Royal Soc. 21 79 The two kinds of corpuscles may be definitely distinguished from one another as leucocytes and pneumocytes.
1911 Lancet 11 Nov. 1341/1 To the red corpuscles, which occur also in some invertebrates, he [sc. F. Weidenreich] applies the term ‘pneumocytes’.
2. Any of the cells lining the alveoli of the lungs; an alveolar cell.
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1964 Science 18 Sept. 1318/3 The contents of the lamellar bodies of granular pneumocytes are normally released into the alveolar lumen.
1977 Ann. Internal Med. 86 82/1 Type 1 pneumocytes, which form the major portion of the alveolar epithelium, are fixed postmitotic cells.
2002 Amer. Jrnl. Respiratory Cell & Molecular Biol. 26 91 It is clearly established that surfactant protein A (SP-A) is secreted by type II pneumocytes as a component of pulmonary surfactant.
This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1872