Crossword-Solution: PERISARC
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Perisarc | n. | The outer, hardened integument which covers most hydroids. |
We have 1 clue for the answer “PERISARC”
| Clue | Answers |
|---|---|
| outer chitinous layer secreted by colonial hydrozoan coelenterates | 1 answer |
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Kind of apple
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Hint 1 meaning
One who, or that which, eats.
Hint 2 anagram
EERTA
Hint 3 another clue
greedy person
12 +1
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Sentences with PERISARC (5)
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.
The body wall, the cœnosarc, composed of the two layers of ectoderm and endoderm, withdraws a little from the cut-edge of the outer hard tube, or perisarc, that covers the stem, and then begins to draw across the open end.
The remarkable species _Hypolytus peregrinus_[300] from Wood's Holl, {263}however, has no aboral processes, and appears to be only temporarily attached to foreign objects by the secretion of the perisarc.
The branches of the colony and a considerable portion of the body-wall of each zooid in the Gymnoblastea are usually protected by a thin, unjointed "perisarc" of chitin secreted by the ectoderm; but this skeletal structure does not expand distally to {264}form a cup-like receptacle in which the oral extremity of the zooid can be retracted for protection.