shivering. involuntary shaking of the body, as with cold. It is caused by contraction or twitching of the muscles, and is a physiologic method of heat production in humans and other mammals. As a form of aerobic skeletal muscle activity, vigorous shivering uses about as much energy as riding a bicycle or shoveling snow.
Pittosporum ( / p Éª Ë t É s p Éµ r Ém / or / Ë p Éª t Éµ Ë s p ÉÉr Ém /) [1] is a genus of about 200 species of flowering plants in the family Pittosporaceae. The genus is probably Gondwanan in origin; its present range extends from Australasia, Oceania, eastern Asia and some parts of Africa.
Medical Definition of SPUTUM. : matter expectorated from the respiratory system and especially the lungs and bronchi in diseased states that is composed chiefly of mucus but may contain pus, blood, fibrin, or microorganisms (as bacteria).edical Definition of SPUTUM. : matter expectorated from the respiratory system and especially the lungs and bronchi in diseased states that is composed chiefly of mucus but may contain pus, blood, fibrin, or microorganisms (as bacteria).