The vasa vasorum are small blood vessels that wind along arteries whose calibres are larger than 1 mm.
For a woman of Cher's calibre, whose career has spanned five decades, to suggest that her continued success depends on her denial of her advancing years proves how far we still have to go.
"There are poets all over the Arab world, in Sudan, and in the west as well, of a lower calibre whose work has broken the three taboos - God, sex and politics - and they have gained prominence because of that," he says, though the subject is so sensitive he is unwilling to give any examples.
At Parmigiani Fleurier, an oval-shaped pocket watch by the London firm Vardon & Stedman, circa 1800, was the model for the manufacturer's new oval-shaped Calibre PF 114 timepiece, whose telescopic hands feature a riveted structure also reminiscent of the Eiffel Tower.
In came quality of the calibre of Marc Overmars and Nicolas Anelka, whose pace frightened the life out of opposition defenders, and Emmanuel Petit, whose defensive instincts and long passes made him the ideal midfield foil for Vieira.
He is in awe of "the calibre" of his British co-stars whose American accents are, he says generously, "progressing" (he binge-watched Lewis in Homeland a couple of years ago and loved it).
An hour from midtown, you can be chin-deep in the what-have-we-here surf or aiming a.68-calibre rifle at an arcade employee whose occupation is getting shot at with paintballs.
This was engineered to go down well with the growing crowd of reform-seeking voters whose main complaint since 2008 had been that the calibre of PR lawmakers was less than impressive.
Hayes is confident that the club - whose previous managers have included Martin O'Neill, John Gregory and John Gorman - will continue to attract high calibre applicants.
The decision followed advice from English Heritage, whose chief executive, Simon Thurley, called it "an excellent example of high-calibre postwar architecture".
The rest of the gang (whose antics make up the first half of the movie) were all faces of a similar calibre, as real to crime as Jagger was to music.
