> as lemmas

1883 J. L. W. Thudichum in 12th Ann. Rep. Local Govt. Board 1882–3: Rep. Med. Officer 1882 App. b. No. 3. 221 I have for the purposes of the present research isolated and analysed two representatives of this remarkable class of bodies, one amidomyelin..another sphingomyelin, which was found to be..a genuine educt and principle of the brain.

1884 J. L. W. Thudichum Treat. Chem. Constit. 106 Sphingomyelin is the principal..phosphorised ingredient of the so-called cerebrin mixture, which remains when white matter is exhausted by ether.

1884 J. L. W. Thudichum Treat. Chem. Constit. Brain 116 Analysis of Sphingol, a new Alcohol, from Sphingomyelin by Chemolysis with Barita.

1920 J. J. R. Macleod Physiol. & Biochem. (ed. 2) lxxvii. 689 Other phospholipins present in nervous tissue are cephalin, cuorin and sphingo~myelin.

1946 Biol. Rev. XXVI. 285 Sphingomyelins are phosphatides in which the sphingosine or a closely related base is bound by an NHCO linkage to a fatty acid..and by an ester linkage to choline phosphoric acid.

1973 Sci. Amer. Apr. 85/1 The alveolar fluid contains trace amounts of various large molecules; among them are the two principal lipids—lecithin and sphingomyelin—that represent the bulk of the pulmonary surfactant.