Definition of prothallus in English:

prothallus

nounPlural prothalli prəʊˈθaləsprōˈTHaləs

Botany

The gametophyte of ferns and related plants.
〔植〕原叶体
Example sentencesExamples
- Here I re-examine the formation of the prothallus in a fern gametophyte in the context of a ‘whole-plant’ developmental response.

Derivatives

prothallial

adjective

Botany

The grain is empty because the body cell and prothallial nuclei have moved out along the pollen tube towards the archegonia.
Example sentencesExamples
- A consistent feature of every experiment that was undertaken in this study was that a sufficient quantity of white light was an absolute requirement for both prothallial and rhizoid development.

Origin

Mid 19th century: modern Latin, from pro-² 'before, earlier' + Greek thallos 'green shoot'.

Definition of prothallus in US English:

prothallus

nounprōˈTHaləs

Botany

The gametophyte of ferns and other primitive plants.
〔植〕原叶体
Example sentencesExamples
- Here I re-examine the formation of the prothallus in a fern gametophyte in the context of a ‘whole-plant’ developmental response.

Origin

Mid 19th century: modern Latin, from pro- ‘before, earlier’ + Greek thallos ‘green shoot’.

单词	prothallus
释义	Definition of prothallus in English: prothallus nounPlural prothalli prəʊˈθaləsprōˈTHaləs Botany The gametophyte of ferns and related plants. 〔植〕原叶体 Example sentencesExamples Here I re-examine the formation of the prothallus in a fern gametophyte in the context of a ‘whole-plant’ developmental response. Derivatives prothallial adjective Botany The grain is empty because the body cell and prothallial nuclei have moved out along the pollen tube towards the archegonia. Example sentencesExamples A consistent feature of every experiment that was undertaken in this study was that a sufficient quantity of white light was an absolute requirement for both prothallial and rhizoid development. Origin Mid 19th century: modern Latin, from pro-² 'before, earlier' + Greek thallos 'green shoot'. Definition of prothallus in US English: prothallus nounprōˈTHaləs Botany The gametophyte of ferns and other primitive plants. 〔植〕原叶体 Example sentencesExamples Here I re-examine the formation of the prothallus in a fern gametophyte in the context of a ‘whole-plant’ developmental response. Origin Mid 19th century: modern Latin, from pro- ‘before, earlier’ + Greek thallos ‘green shoot’.
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