Which, if you follow the winding road down to the bottom leads to:
Any of the homologous segments, lying in a longitudinal series, that compose the body of certain animals, such as earthworms and lobsters. Also called somite.WTF. People who study earthworms get their jargon in Outlook, but I use the proper term for the regulation of blood pressure and I might as well be speaking French? Jeez. Is there some sort of all powerful metameres lobby I don't know about?