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heterothallic

[ het-er-uh-thal-ik ]

adjective

, Mycology.
  1. having mycelia of two unlike types, both of which must participate in the sexual process. Compare homothallic ( def 1 ).


heterothallic

/ ˌhɛtərəʊˈθælɪk /

adjective

  1. (of some algae and fungi) having male and female reproductive organs on different thalli
  2. (of some fungi) having sexual reproduction that occurs only between two self-sterile mycelia
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˌheteroˈthallism, noun
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Other Words From

  • heter·o·thallism noun
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Word History and Origins

Origin of heterothallic1

First recorded in 1900–05; hetero- + thallic
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Word History and Origins

Origin of heterothallic1

C20: from hetero- + Greek thallos green shoot, young twig
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Example Sentences

This has now been explained by Blakeslee, who finds that the Mucorinae can be divided into two groups, termed homothallic and heterothallic respectively.

The majority of forms, however, fall into the heterothallic group, in which the association of branches from two mycelia different in nature is necessary for the formation of zygospores.

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heterotelicheterotopia