Until recently, there were no experimental reports of superconductivity in graphene although its close relatives, graphite and fullerenes can be made superconducting by intentionally introducing electrons in the material (doping).
For the British literary movement, see Spasmodic poets. A spasm is a sudden involuntary contraction of a muscle, a group of muscles, or a hollow organ such as the heart. A spasmodic muscle contraction may be caused by many medical conditions, including dystonia. Most commonly, it is a muscle cramp which is accompanied by a sudden burst of pain.
If the hormone oxytocin is present in sufficient quantities, it will cause the involuntary muscle of the uterus to contract in a regular pattern. The involuntary muscle of the uterus is divided into two parts. The upper part is the active segment; it contracts and pushes against the baby. The lower part of this muscular bag is known as the passive segment. This part actually remains relaxed during the contraction.