...There is no flint to make celts, but quartz and rocks havinga slaty cleavage are abundant... 
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
...Inten eggs (KU 62154 from San Salvador, El Salvador) the average diameterof the embryos in first cleavage is 1...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Segmentation of egg: the division of the originallysingle celled egg into a number of coherent cells or blastomeres;= cleavage...
John. B. Smith 「Explanation of Terms Used in Entomology」
...In a homogeneous society where there is no racial cleavage, only theselected members of the most favored class occupy the professionalstations...
Various 「The Journal of Negro History, Vol. I. Jan. 1916」
...In view of this cleavage, it was difficult in the beginning of the struggleto characterize the situation...
Various 「The Journal of Negro History, Vol. I. Jan. 1916」
...Everyformation, whether it consist in cleavage of layers, or folding, or completedivision, is a consequence of this fundamental law...
Ernst Haeckel 「The Evolution of Man」
...The stem-cell that proceeds from the impregnated ovumalways passes by repeated cleavage into a number of simple cells...
Ernst Haeckel 「The Evolution of Man」
...The final result of thisrepeated cleavage is the formation of a globular cluster of similarsegmentation-cells, which we call the mulberry-formation or morula...
Ernst Haeckel 「The Evolution of Man」
...When the cleavage is thus ended, the mulberry-like mass changes into a hollowglobular sphere...
Ernst Haeckel 「The Evolution of Man」
...Only the formative yelk (the tread) is shown in these sixfigures (A to F), because cleavage only takes place in this...
Ernst Haeckel 「The Evolution of Man」
...As with these, partial cleavage takes place at aspot on the surface at which the small formative yelk and the nucleus itencloses are found...
Ernst Haeckel 「The Evolution of Man」
...In the latter, before thecommencement of the gastrula-folding, we have, at least at the periphery, atwo-layered embryo forming from the cleavage...
Ernst Haeckel 「The Evolution of Man」
...This is the mother-cell ofthe entoderm; it now begins to multiply by cleavage, and the daughter-cells(Fig...
Ernst Haeckel 「The Evolution of Man」
...We have, in thefirst place, the peculiar feature that the two first segmentation-cells thatproceed from the cleavage of the fertilised ovum (Fig...
Ernst Haeckel 「The Evolution of Man」
...In thesecases the whole yelk undergoes cleavage at first, and forms a yelk-gland,composed of yelk-cells, in the ventral wallof the primitive gut...
Ernst Haeckel 「The Evolution of Man」
...Finally, we see that the cells which make up the primarygerminal layers owe their origin in every case to the repeated cleavage of asingle simple cell, the stem-cell or fertilised ovum...
Ernst Haeckel 「The Evolution of Man」
...The unnucleated globule of plasm (bluish-green in colour) increasesby simple cleavage (a–d)...
Ernst Haeckel 「The Evolution of Man」
...A phytomoneron, the round plastids of which(bluish-green in colour) secrete a shapeless gelatinous mass; in this theunnucleated cytodes increase continually by simple cleavage...
Ernst Haeckel 「The Evolution of Man」
...The individual as such is annihilated in the act of cleavage (cf...
Ernst Haeckel 「The Evolution of Man」
...A cleavage in the rocks made a narrow crack to the outside world, andthrough it the starlight filtered dimly...
Various 「Astounding Stories, May, 1931」
...A winding passage showed between sheer walls of snow white, where giantcrystals had parted along their planes of cleavage...
Charles Willard Diffin 「Two Thousand Miles Below」
ランダム例文：
便利！手書き漢字入力検索
時事ニュース漢字 📺