...Cleavage: see segmentation of egg... 
John. B. Smith 「Explanation of Terms Used in Entomology」
...The segmentation is plainly visible...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...
Metamerism: the segmentation of the embryo...
Ernst Haeckel 「The Evolution of Man」
...This cell produces a cluster of cells by segmentation, and fromthese develops the multicellular organism, or individual of higher rank...
Ernst Haeckel 「The Evolution of Man」
...When they have been fertilised, the multicellular organism is formedfrom them by repeated segmentation...
Ernst Haeckel 「The Evolution of Man」
...We might call it“equal” or homogeneous segmentation, because the divided cellsretain a resemblance to each other at first (and often until the formation ofthe blastoderm)...
Ernst Haeckel 「The Evolution of Man」
...Hatschek rightly observes that the segmentation of the ovum in the amphioxus isnot strictly equal, but almost equal, and approaches the unequal...
Ernst Haeckel 「The Evolution of Man」
...29), they both have this in common, that thecleavage process throughout affects the whole cell; hence Remak calledit total segmentation, and the ova in question holoblastic, or“whole-cleaving...
Ernst Haeckel 「The Evolution of Man」
...The larger the accumulation of food, the more restricted is theprocess of segmentation...
Ernst Haeckel 「The Evolution of Man」
...In spring they are to be found in clusters in every pond, andcareful examination of the ova with a lens is sufficient to show at least theexternal features of the segmentation...
Ernst Haeckel 「The Evolution of Man」
...Unequal total segmentation follows the same lines in the oldest fishes, theselachii and ganoids, which are directly descended from the cyclostoma...
Ernst Haeckel 「The Evolution of Man」
...The segmentation of the lens-shaped formative yelk (b) proceeds quiteindependently of the nutritive yelk, and in perfect geometrical order...
Ernst Haeckel 「The Evolution of Man」
...But while in this case, as in the case of the amphibia,the small ovum completely divides into cells in segmentation, this is no longerso in the great majority of the selachii (or Elasmobranchii)...
Ernst Haeckel 「The Evolution of Man」
...57—Diagram of discoid segmentation in the bird’sovum (magnified)...
Ernst Haeckel 「The Evolution of Man」
...Onlythe latter exhibit the important processes of segmentation and gastrulation;and they alone have a primitive gut, and form germinal layers and tissues...
Ernst Haeckel 「The Evolution of Man」
...Thus the chief advantage in organisation by whichthe earliest Vertebrates took precedence of the unsegmented Chordonia consistedin the development of internal segmentation...
Ernst Haeckel 「The Evolution of Man」
...Out of thisagitation arises a little spot, that is usually round, and enlargesprogressively to reach a maximum, after which it diminishes, withfrequent segmentation and shrinkage...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
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