Crossword-Solution: HYDRANTH
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Hydranth | n. | One of the nutritive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea. |
We have 1 clue for the answer “HYDRANTH”
| Clue | Answers |
|---|---|
| ZOOID | 4 answers |
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Length times width e.g.
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Hint 1 meaning
The superficial contents of any figure; the surface included
within any given lines; superficial extent; as, the area of a square or
a triangle.
Hint 2 anagram
ARAE
Hint 3 another clue
CERTAIN BRAIN SIZE
15 +1
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Sentences with HYDRANTH (5)
Evidently the development of a root in this form is also connected with an internal factor; but that there is in reality a reaction in this case, and not simply the development of a root at the basal end, is shown by the following experiment: If a piece is cut from the stem and suspended so that both ends are surrounded by water--it makes no difference whether the piece is vertical or horizontal--a hydranth develops first on the apical end, and then another on the basal end (Fig.
When the apical end of a piece is stuck in the sand, leaving the basal end free, a hydranth develops on the latter, but not on the end in the sand.
The conditions are different in this case inasmuch as there is no proliferation from the cut-end, but the old part produces the new hydranth.
Driesch supposed the oblique position of the hydranth to be due to an oblique zone that develops behind the hydranth, but the result can best be explained, as certain other experiments that I have made seem to show, as due to the negative thigmotropism of the hydranth at the time it protrudes from the old perisarc.
Formation of whole hydranth that turned away from contact with old perisarc.] _THE INFLUENCE OF INTERNAL ORGANS AT THE CUT-SURFACE ON THE NEW STRUCTURE_ In a few cases it has been discovered that the presence of certain organs at the exposed surface is necessary in order that regeneration may take place.