Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A small body of specialized muscle tissue in the wall of the right atrium of the heart that acts as a pacemaker by producing a contractile signal at regular intervals.
- ‘Procoralan exclusively reduces heart rate by a specific action on the sino-atrial node.’
- ‘The classical concept of the source of cardiac rhythm is that it originates from the sino-atrial node.’
- ‘This activity arises not from excitatory nerve fibres, but spontaneously within the heart itself from a small clump of pacemaker cells near the point where the vena cava joins the right atrium: the sino-atrial node.’
Early 20th century: from sinus + atrial (see atrium).
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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.