Medusa-buds sentence example

  • As a general rule polyp-buds are produced from the hydrorhiza and hydrocaulus, while medusa-buds are formed on the hydranth.
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  • The animal is a solitary polyp bearing a great number of medusa-buds.
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  • The float is covered with long tentacles and bears the medusa-buds.
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  • The medusa-buds, as already stated, are always produced from blastostyles, reduced non-nutritive polyps without mouth or tentacles.
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  • A-D are stages common to both; from D arises the hydrotheca (E) or the gonotheca (F); th, theca; st, stomach; 1, tentacles; m, mouth; mb, medusa-buds.
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  • In A two medusa-buds are seen within the gonotheca (gth), the upper more advanced than the lower one.
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  • In some cases the buds do not become detached at once, but the stolon continues to grow and to produce more buds, forming a " bud-spike " (Knospencihre), which consists of the axial stolon bearing medusa-buds in all stages of development.
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  • In the same tanks a small hydroid, very similar to Microhydra, has been found, which bears medusa-buds and is probably the stock from which the medusa is budded.
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  • The gonostyles have been compared to the blastostyles of a hydroid colony, or to the manubrium of a medusa which produces free or sessile medusa-buds.
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  • It may be regarded as derived from floating polyps similar to Nemopsis or Pelagohydra, which by budding produce a colony of polyps and also form medusa-buds.
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  • The polyp of the Leptolinae has reached the limit of its individual development and is incapable of becoming itself a medusa, but only produces medusa-buds; hence a true alternation of generations is produced.
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