Definition of microspore in English:
microspore
noun ˈmʌɪkrə(ʊ)spɔːˈmaɪkrəˌspɔr
Botany The smaller of the two kinds of spore produced by some ferns.
See also megaspore
Example sentencesExamples
- The polarity of the micro-gametophyte (pollen grain) of flowering plants is related to the proximal-distal axis of the microspore from which it develops.
- The embryogenic process originated during anther culture may have different origins, for example, haploid cells such as microspores or pollen grains, or somatic cells from anther tissues.
- Both of these genera are heterosporous, meaning that each species produces two distinctly different types of spores: microspores and megaspores.
- They have male spores called microspores and female spores called megaspores.
- Within the microsporangium, the microspores are embedded in a foamy mass that is dispersed as ‘floats’.
Definition of microspore in US English:
microspore
nounˈmaɪkrəˌspɔrˈmīkrəˌspôr
Botany The smaller of the two kinds of spore produced by some ferns.
See also megaspore
Example sentencesExamples
- The polarity of the micro-gametophyte (pollen grain) of flowering plants is related to the proximal-distal axis of the microspore from which it develops.
- Within the microsporangium, the microspores are embedded in a foamy mass that is dispersed as ‘floats’.
- The embryogenic process originated during anther culture may have different origins, for example, haploid cells such as microspores or pollen grains, or somatic cells from anther tissues.
- They have male spores called microspores and female spores called megaspores.
- Both of these genera are heterosporous, meaning that each species produces two distinctly different types of spores: microspores and megaspores.