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trophosome

[ trof-uh-sohm, troh-fuh- ]

noun

, Zoology.
  1. an organ in deep-sea tube worms that is colonized by bacteria supplying the host worm with food and energy.
  2. a similar organ in other marine worms.


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Word History and Origins

Origin of trophosome1

First recorded in 1865–70; tropho- + -some 3
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Example Sentences

The trophosome consists of a mass of coenosarcal tubes anastomosing in all planes.

The polyp-individuals form the nutritive siphosome or trophosome.

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trophoplasmtrophozoite