Australia (continent) meanings: travel writer Paul Theroux included New Zealand in his definition and others have used it for Australia, New Zealand and Hawaii. Another biologist, Richard Dawkins, coined the name "Australinea" in 2004. "Australia-New Guinea" has also been used. With a total land area of , the Australian continent is the smallest, and second-lowest human inhabited (after Antarctica) continent on Earth. The continental shelf connecting the islands, half of which is less than deep, covers some , including the Sahul Shelf and Bass Strait. As the country of Australia is mostly on a single landmass, and comprises most of the continent,
Smallest cardiac veins Therefore, the endocardial opening must be traced to a vein before it is definitely called an opening of the smallest cardiac veins. The thebesian veins are named after the German anatomist Adam Christian Thebesius, who described them in a 1708 treatise called "Disputatio medica inauguralis de circulo sanguinis in corde". Smallest cardiac veins The smallest cardiac veins (or Thebesian veins) are minute valveless veins in the walls of all four heart chambers. The veins are sometimes accurately referred to as vessels, but they are frequently confused with a distinct set of artery connections eponymously referred to as the "vessels of