Guinea is often subdivided into . Lower Guinea  and  Upper Guinea . Lower Guinea is one of the most densely populated regions of Africa, covering southern Nigeria, Benin, Togo and stretching into Ghana. It includes the coastal regions as well as the interior.
hypovolemic shock. 1. a type of shock caused by reduced blood volume, as from massive bleeding or dehydration. Compare cardiogenic shock, anaphylactic shock. hypovolemic shock n. Shock caused by a reduction in the volume of blood, as from hemorrhage. Discover our greatest slideshows.
Wiktionary(0.00 / 0 votes)Rate this definition: hypovolemia(Noun) A state of decreased blood volume. Origin: From hypo- + volume + -emia. Freebase(0.00 / 0 votes)Rate this definition: In physiology and medicine, hypovolemia is a state of decreased blood volume; more specifically, decrease in volume of blood plasma. It is thus the intravascular component of volume contraction, but, as it also is the most essential one, hypovolemia and volume contraction are sometimes used synonymously.