> as lemmas

1839 Philos. Trans. (Royal Soc.) 129 324 Schwann has suggested that the divisions in question in the ovum of the Frog, may, perhaps, be reducible to a ‘cell’-formation.

1842 J. Paget Rep. Chief Results Obtained by Microscope 8 When the nuclei lie on the surface of a flattened cell-fibre, they have a tendency to send off lateral branches.

1847–9 Todd's Cycl. Anat. & Physiol. IV. 117/1 The only true black cell-pigment.

1850 J. A. Orr Princ. Surg. iii. ix. 341 The presence of blood in substance does not prevent the occurrence of cell evolution and vascularization.

1859 W. D. Moore tr. J. L. C. Schroeder van der Kolk On Minute Struct. & Functions Spinal Cord i. 16 It is very usual to see one or two of the cell filaments [Du. celdraden] running outwards into bundle of the anterior or posterior nerve-roots.

1892 Lancet 24 Dec. 1443/1 Certain other cell inclusions had been described by some observers abroad and by Dr. Ruffer and Mr. Walker in this country.

1907 Practitioner Jan. 19 The membranes and perivascular spaces showed some cell-infiltration.

1912 Times 5 Sept. 6/3 Life is now embodied in the cell, and every living being evolved from this will itself be either a cell or a cell-aggregate.

1929 Lancet 26 Oct. 886/1 During the first three years of its propagation by cell grafts the fibrosarcoma grew slowly.

1932 Times 25 Apr. 7/4 Schwann started from Schleiden's theory of cell-genesis which he expanded and adopted.

1938 F. G. Benedict Vital Energetics 209 The cell activity is controlled in large part by the supply of available oxygen and nutriment.

1949 H. W. C. Vines Green's Man. Pathol. (ed. 17) viii. 155 In the early stages of healing they removed the cell debris, while in the later stages they were transmuted either into fibroblasts, into corneal fibre cells (keratoblasts) or possibly actually into corneal corpuscles.

1954 Biol. Bull. 107 141 Although no role of calcium in cell adhesion is indicated by the effect of calcium deficiency, one might be detected by the effects of calcium excess.

1961 Amer. Naturalist 95 255 A means of clarifying the role and behavior of sex chromosomes in the normal and malignant cell population.

1963 R. W. Van Norman Exper. Biol. xvi. 214 Obviously the number of cells per 5 ml is not uniform if the cell suspension in a 500-ml flask is more concentrated at the bottom than at the top.

1974 Radiation Res. 59 645 The ability of unirradiated cell grafts to repopulate irradiated tissues.

1982 Internat. Jrnl. Cancer 15 181 It is suggested that the endodermal carcinoma cells..as well as the mesenchymal and trophoblastic structures may have a common cell ancestor.

1991 R. Gallo Virus Hunting viii. 152 Perhaps the low rate of detection of RT we had found could have been due to cell degradation from samples being killed by a cytopathic virus.

1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) ii. 118/1 They lack nearly every other cell inclusion characteristic of eukaryotes; they have no endoplasmic reticula, Golgi bodies, mitochondria, chromosomes, or centrioles.

2004 Current Opinion in Plant Biol. 7 166/2 The life cycle of mosses begins with the germination of a haploid spore and the subsequent growth of a branched cell filament, the protonema.