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aplanospore

aplanospore
Noun
pl: aplanospores

This term is a specialized biological descriptor used primarily in phycology and mycology. It describes a specific state of dormancy where the organism sacrifices motility—the ability to move via flagella—in exchange for a thickened cell wall that protects the genetic material from desiccation or temperature extremes.

In a laboratory or academic context, the term is used to distinguish these stationary spores from zoospores, which are motile. Because it refers to a specific biological structure, it is used almost exclusively in technical scientific literature rather than general conversation.

Meanings

Nounaplanospore

A non-motile spore that is produced by certain algae or fungi, typically lacking flagella and designed for survival during unfavorable environmental conditions.

The dormant aplanospore allows the organism to survive extreme drought.

Examples

The alga produces an aplanospore to survive the winter freeze.

none

The alga produces an aplanospore to survive the winter freeze.

Look at this slide, the aplanospore is clearly visible under the microscope.

School Life

Look at this slidethe aplanospore is clearly visible under the microscope.

I wonder if this specific strain forms an aplanospore when nitrogen levels drop.

none

I wonder if this specific strain forms an aplanospore when nitrogen levels drop.

Unlike zoospores, an aplanospore lacks flagella and cannot swim.

School Life

Unlike zoosporesan aplanospore lacks flagella and cannot swim.

The cell wall of the aplanospore provides essential protection against desiccation.

none

The cell wall of the aplanospore provides essential protection against desiccation.

We need to determine the germination rate of the aplanospore in this medium.

Office

We need to determine the germination rate of the aplanospore in this medium.

It is essentially a resting stage, so the aplanospore remains dormant for months.

none

It is essentially a resting stageso the aplanospore remains dormant for months.

Did you notice how the aplanospore differs in size from the vegetative cell?

School Life

Did you notice how the aplanospore differs in size from the vegetative cell?

The transition from a motile zoospore to a non-motile aplanospore is a key survival mechanism.

none

The transition from a motile zoospore to a non-motile aplanospore is a key survival mechanism.

Related Words

sporezoosporecystalgaprotistflagellummotilitydormancyencystmentgerminationchlorophyllcell wallcytoplasmnucleusmitosismeiosisreproductionvegetativesessileplanktonphytoplanktoneukaryoteprokaryotetaxonomybotanyphycologymicrobiologyorganismcellmembranevacuoleplastidchloroplaststarchylipidproteinmetabolismstasissurvivalenvironmenthabitataquaticfreshwatermarinedesiccationosmosisdiffusionturgorsporangiumgametezygotehaploiddiploidsporulationdormantinactivemorphologycytologygenusspeciesstrainculturemediumnutrientgrowthdivisionbinary fissionbuddingfragmentation
Última actualización: May 2026Reportar un error