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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Dermatological complaint
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Hint 1 meaning
An inflammatory disease of the skin, characterized by the
presence of redness and itching, an eruption of small vesicles, and the
discharge of a watery exudation, which often dries up, leaving the skin
covered with crusts; -- called also tetter, milk crust, and salt rheum.
Hint 2 anagram
ZECAME
Hint 3 another clue
eruption
6 +1
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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.