conidium

American  

[koh-nid-ee-uhm, kuh-] / koʊˈnɪd i əm, kə- /

noun

Botany.

• conidia
  plural

1. (in fungi) an asexual spore formed by abstriction at the top of a hyphal branch.

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conidium British  

/ kəʊˈnɪdɪəm /

noun

1. an asexual spore formed at the tip of a specialized hypha (conidiophore) in fungi such as Penicillium

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conidium Scientific  

/ kə-nĭd′ē-əm /

• conidia
  plural

1. An asexually produced fungal spore, formed on a conidiophore. Most conidia are dispersed by the wind and can endure extremes of cold, heat, and dryness. When conditions are favorable, they germinate and grow into hyphae.

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Other Word Forms

Derived Forms

• conidial
  adjective
• conidian
  adjective

Inflected Forms

Nouns

• conidia
  plural

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Etymology

Origin of conidium

1865–70; < Greek kón ( is ) dust (akin to incinerate ) + -idium

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Example Sentences

See Examples For:

conidium conidia

These threads are hollow, and rarely septate; the upper portion divided into numerous branches, and these again are subdivided, the ultimate ramuli each terminated by a single conidium.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

This secondary conidium can sometimes engender a third cellule by a similar process.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

When it has reached the front of the opening in the conidium, which is thus emptied, the mass remains immovable.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

Then it isolates itself from the germ-tube by a septum, and takes all the essential characteristics of the parent conidium.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

Lastly, there is a third mode of germination which the conidia of P. infestans manifest, and which consists in the conidium emitting from its summit a simple or branched germ-tube.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

These spores are conidia, asexually-produced reproductive cells, and are termed a Stage I infection.

From Scientific American ● Apr. 21, 2018

Cicadas infected by conidia experience a similar infection, termed Stage II, that results in sexually-produced spores.

From Scientific American ● Apr. 21, 2018

The generation of the zoospores commences within from an hour and a half to three hours after the sowing of the conidia on water.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

Empusa Muscae causes the well-known epidemic in house-flies during the autumn; the dead, affected flies are often found attached to the window surrounded by a white halo of conidia.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

According to Tulasne, this is the conidia form of the bright scarlet, club-shaped body which is also found on dead pupæ, called Torrubia militaris.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

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