Long bone length is stimulated by the production of growth hormone (GH), a secretion of the anterior lobe of the pituitary gland. The long bone includes the femora, tibiae, and fibulae of the legs; the humeri, radii, and ulnae of the arms; metacarpals and metatarsals of the hands and feet, the phalanges of the fingers and toes, and the clavicles or collar bones. The long bones of the human leg comprise nearly half of adult height. The other primary skeletal component of height are the vertebrae and skull. The outside of the bone consists of a layer of connective tissue called the
Bones of the Hills Bones of the Hills Bones of the Hills (known as Genghis: Bones of the Hills in America) is the third book of the "Conqueror" series, based on the life of Mongol gurkhan Genghis by Conn Iggulden. It focuses mainly on the Mongol invasion of Islamic Central Asia, the war against Shah Muhammad II of Khwarezm and his son Jalal ad-Din Mingburnu and the brutal massacres at Urgench and Merv. Genghis Khan, powerful leader of a nation united from the tribes, is victorious in the long war against the Chin, the Mongolians' ancient foe. Now trouble arises from another direction: his