Crossword-Solution: GASTRULATION
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Gastrulation | n. | The process of invagination, in embryonic development, by which a gastrula is formed. |
We have 1 clue for the answer “GASTRULATION”
| Clue | Answers |
|---|---|
| the formation of a gastrula | 1 answer |
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Hint 1 meaning
To boil with a continued bubbling or heaving and
rolling, with noise.
Hint 2 anagram
PLLWOA
Hint 3 another clue
BATTER ___
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Sentences with GASTRULATION (5)
But since I formulated the gastraea theory in 1872, and afterwards (1875) reduced all the various forms of segmentation and gastrulation to one fundamental type, their identity may be said to have been established.
The eight cells which thus arise break into sixteen, these into thirty-two, and then (each being constantly halved) into sixty-four, 128, and so on.* (* The number of segmentation-cells thus produced increases geometrically in the original gastrulation, or the purest palingenetic form of cleavage.
Just as the comparative anatomist traces the most elaborate features in the structures of the various classes of vertebrates to divergent development from this simple primitive vertebrate, so comparative embryology traces the various secondary forms of vertebrate gastrulation to the simple, primary formation of the germinal layers in the amphioxus.
Although this formation, as distinguished from the cenogenetic modifications of the vertebrate, may on the whole be regarded as palingenetic, it is nevertheless different in some features from the quite primitive gastrulation such as we have, for instance, in the Monoxenia (Figure 1.29) and the Sagitta.
But the unequal gastrulation of the amphioxus diverges from the typical equal cleavage of the Sagitta, the Monoxenia (Figure 1.29), and the Olynthus (Figure 1.36), in another important particular.