Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A long-lived lymphocyte capable of responding to a particular antigen on its reintroduction, long after the exposure that prompted its production.
- ‘Both types of rejection leave memory cells that remain in circulation to mobilize the immune system if the same foreign antigen is reintroduced.’
- ‘Immune memory cells survive in the host for extended time, retaining their capacity to recognize specific antigens and kill the cells bearing these antigens.’
- ‘These established memory cells will then be capable of rapidly proliferating upon initial virus infection.’
- ‘If this is so, then animals living in a pathogen-free environment presumably have fewer memory cells and more naive cells than do animals exposed to bacteria, viruses, and parasites throughout their lives.’
- ‘Once the antigenic stimulation is removed, lymphocytes become quiescent and only some remain viable as memory cells.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.