Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
Either of a pair of gametic nuclei, in the stage following meiosis but before their fusion leads to the formation of the nucleus of the zygote.
- ‘Diploid zygotes created by combining a male and a female pronucleus gave rise to viable embryos, but combining two male or two female pronuclei did not.’
- ‘Meiotic spindle poles of mutant embryos are not as well focused as wild type, and meiotic failure often leads to multiple maternal pronuclei as compared to wild type.’
- ‘The sperm and egg pronuclei form the zygotic nucleus.’
- ‘In normal fertilisation the formation of male and female pronuclei is an important stage just before the maternal and paternal chromosomes start to pair up in preparation for the first cell division.’
- ‘For instance, the migration of the male pronucleus within the animal oocyte after fertilization, together with movements of the female pronucleus, are essential events for nuclear fusion.’
We take a look at several popular, though confusing, punctuation marks.
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.