...The segmentation is plainly visible...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...These are the first signs of segmentation...
J. Henri Fabre 「Bramble-bees and Others」
...
Metamerism: the segmentation of the embryo...
Ernst Haeckel 「The Evolution of Man」
...In all real animals (that is, excluding the unicellularprotists) the segmentation of the ovum produces either a pure, primitive,palingenetic gastrula (Fig...
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」
...In fact, thesevariations have become so great in the course of time that the segmentation wasnot rightly understood in most animals, and the gastrula was unrecognised...
Ernst Haeckel 「The Evolution of Man」
...Although this unequal segmentation of the cyclostoma, ganoids, and amphibiaseems at first sight to differ from the original equal segmentation (forinstance, in the monoxenia, Fig...
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」
...We can,therefore, reduce this cenogenetic form of the discoid segmentation to thepalingenetic form of the primitive cleavage...
Ernst Haeckel 「The Evolution of Man」
...Theoldest sharks (Cestracion) still have the unequal segmentation inheritedfrom the cyclostoma...
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」
...But apart from this, we have originally in allvertebrates an important articulation of the fore-gut, that is wanting in thelower gut, the segmentation of the branchial (gill) gut...
Ernst Haeckel 「The Evolution of Man」
...The oldest Amœbæ lived isolated lives, and even the amœboidcells that were formed by the segmentation of these unicellular organisms musthave continued to live independently for a long time...
Ernst Haeckel 「The Evolution of Man」
...This segmentation of the muscles wasthe momentous historical process with which vertebration, and the developmentof the vertebrate stem, began...
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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