Definition of archegonium in English:

archegonium

nounPlural archegonia ˌɑːkɪˈɡəʊnɪəmˌärkəˈɡōnēəm

Botany

The female sex organ in mosses, liverworts, ferns, and most conifers.
Example sentencesExamples
- Lastly, archegonia are always absent in angiosperms.
- Notwithstanding their general similarity, the archegonia of mosses differ externally from antheridia in having a longer neck and longer stalk.
- This is a new feature and contrasts with most free-sporing plants in which sperm, rather than the whole microgametophyte, move to the archegonia.
- Dispersed by wind, these small spores germinate into small, freeliving, disc-shaped gametophytes that produce either archegonia - organs in which egg cells are formed - or sperm-producing antheridia.
- Antheridia formed on the dorsal and ventral surfaces of the wing, while archegonia formed on the ventral surface of the anterior cushion.

Origin

Mid 19th century: modern Latin, from Greek arkhegonos, from arkhe- 'chief' + gonos 'race'.

Definition of archegonium in US English:

archegonium

nounˌärkəˈɡōnēəm

Botany

The female sex organ in mosses, liverworts, ferns, and most conifers.
Example sentencesExamples
- Dispersed by wind, these small spores germinate into small, freeliving, disc-shaped gametophytes that produce either archegonia - organs in which egg cells are formed - or sperm-producing antheridia.
- Lastly, archegonia are always absent in angiosperms.
- This is a new feature and contrasts with most free-sporing plants in which sperm, rather than the whole microgametophyte, move to the archegonia.
- Antheridia formed on the dorsal and ventral surfaces of the wing, while archegonia formed on the ventral surface of the anterior cushion.
- Notwithstanding their general similarity, the archegonia of mosses differ externally from antheridia in having a longer neck and longer stalk.

Origin

Mid 19th century: modern Latin, from Greek arkhegonos, from arkhe- ‘chief’ + gonos ‘race’.

单词	archegonium
释义	Definition of archegonium in English: archegonium nounPlural archegonia ˌɑːkɪˈɡəʊnɪəmˌärkəˈɡōnēəm Botany The female sex organ in mosses, liverworts, ferns, and most conifers. Example sentencesExamples Lastly, archegonia are always absent in angiosperms. Notwithstanding their general similarity, the archegonia of mosses differ externally from antheridia in having a longer neck and longer stalk. This is a new feature and contrasts with most free-sporing plants in which sperm, rather than the whole microgametophyte, move to the archegonia. Dispersed by wind, these small spores germinate into small, freeliving, disc-shaped gametophytes that produce either archegonia - organs in which egg cells are formed - or sperm-producing antheridia. Antheridia formed on the dorsal and ventral surfaces of the wing, while archegonia formed on the ventral surface of the anterior cushion. Origin Mid 19th century: modern Latin, from Greek arkhegonos, from arkhe- 'chief' + gonos 'race'. Definition of archegonium in US English: archegonium nounˌärkəˈɡōnēəm Botany The female sex organ in mosses, liverworts, ferns, and most conifers. Example sentencesExamples Dispersed by wind, these small spores germinate into small, freeliving, disc-shaped gametophytes that produce either archegonia - organs in which egg cells are formed - or sperm-producing antheridia. Lastly, archegonia are always absent in angiosperms. This is a new feature and contrasts with most free-sporing plants in which sperm, rather than the whole microgametophyte, move to the archegonia. Antheridia formed on the dorsal and ventral surfaces of the wing, while archegonia formed on the ventral surface of the anterior cushion. Notwithstanding their general similarity, the archegonia of mosses differ externally from antheridia in having a longer neck and longer stalk. Origin Mid 19th century: modern Latin, from Greek arkhegonos, from arkhe- ‘chief’ + gonos ‘race’.
随便看	sharp-wittedness sharp-wittedness shas shashlik shashliks shasta Shasta daisy Shasta, Mount shastas shastra shastraic shat shat Shatt al-Arab shatter shatterable shatterable shatter-brain shatter cone shattered shattered shatterer shatterer shatter-headed shattering