Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A stele consisting of a core of pith surrounded by concentric layers of xylem and phloem.
- ‘In anatomical cross section, the stem of Lepidodendron displays an exarch siphonostele surrounded by secondary xylem in ranks.’
- ‘The node cross section of Equisetum looks quite different: the siphonostele is complete and leaf traces emerge from the solid vascular cylinder only at these locations.’
- ‘Other lycophytes have a siphonostele, with a central region of generalized tissue within a cylinder of vascular tissue.’
- ‘Use the three-dimensional diagram to understand how a leaf gap relates to the vascular cylinder of a siphonostele.’
- ‘The thick-walled cells in the center of the core are sometimes considered to be pith, in which case the vascular arrangement would actually be a siphonostele.’
Are you looking for a word for a foolish person? We explore twelve interesting words to describe the dunderheads in your life.
Before you run for the hills, let’s run through a list of ‘run’ expressions that are running through our minds.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.