Continent smallest continent. Earth's major landmasses all have coasts on a single, continuous World Ocean, which is divided into a number of principal oceanic components by the continents and various geographic criteria. The most restricted meaning of "continent" is that of a continuous area of land or mainland, with the coastline and any land boundaries forming the edge of the continent. In this sense the term "continental Europe" (sometimes referred to in Britain as "the Continent") is used to refer to mainland Europe, excluding islands such as Great Britain, Ireland, Malta and Iceland, and the term "continent of Australia" may refer
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