A Chinese herb (also called sweet wormwood) from which is extracted the antimalarial agent artemisinin.
Although the term "quadriceps" technically may refer to any four-headed muscle, it usually refers to the muscle of the front of the thigh.
Weakness of all four limbs, both arms and both legs, as happens due to muscular dystrophy.
Paralysis of all four limbs -- both arms and both legs as from a high spinal cord injury.
A period of isolation in order to control the spread of infectious disease. Before the era of antibiotics and other medications, quarantine was one of the few available means for halting the spread of infectious diseases.
The moment during pregnancy when the baby is first felt to move.
The original antimalarial agent, quinine took its name from the Peruvian Indian word "kina" meaning "bark of the tree" referring to the cinchona tree.