the female gametophyte, which develops from the megaspore
megagametophyte in American English
(ˌmeɡəɡəˈmitəˌfait)
noun
Botany
the female gametophyte in seed plants
Derived forms
megagametophytic (ˌmeɡəɡəˌmitəˈfɪtɪk, -ˌɡæmɪ-)
adjective
Word origin
[1930–35; mega- + gametophyte]This word is first recorded in the period 1930–35. Other words that entered Englishat around the same time include: DNA, acoustic phonetics, hypercorrection, preset, technical foulmega- is a combining form with the meanings “large, great, grand,” “abnormally large,”used in the formation of compound words; it is also the initial element in units ofmeasure that are equal to one million of the units denoted by the base word (megahertz). Other words that use the affix mega- include: megacycle, megadose, megalith, megaton, megavitamin
Examples of 'megagametophyte' in a sentence
megagametophyte
It has adnate a free central pistillode without megagametophyte.
González, Ana María, Popoff, Orlando Fabián, Salgado Laurenti, Cristina 2013, 'Structure of staminate flowers, microsporogenesis, and microgametogenesis in Helosiscayennensis var. cayennensis (Balanophoraceae)', Anales del Jardín Botánico de Madridhttp://rjb.revistas.csic.es/index.php/rjb/article/view/400/395. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In these species, megagametophyte cultures have been widely used to obtain haploid callus and somatic embryogenic lines.
José Antonio Cabezas, Marian Morcillo, María Dolores Vélez, Luis Díaz, Juan Segura,María Teresa Cervera, Isabel Arrillaga 2016, 'Haploids in Conifer Species: Characterization and Chromosomal Integrity of a MaritimePine Cell Line', Forestshttp://www.mdpi.com/1999-4907/7/11/274. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)