Rating Newest Oldest. Best Answer: Behind-the-scenes: When Star Trek creator Gene Roddenberry was asked about the NCC registry, he replied that there was no significance to the letters and numbers comprising the registry of the U.S.S. Enterprise.
Supraventricular Extrasystoles Supraventricular Extrasystoles - ECG Supraventricular extrasystole (SVES) is one of the most common abnormalities that is found in ECGs. The problem is caused by sinoatrial (SA) node itself or by other location in heart atria. The problem is premature emission of electric impulse that spreads throughout the atria and then it is transmitted to the ventricles.
Physiology [edit]. 1. Bronchoconstriction is due to an activation of parasympathetic nervous system. Postganglionic parasympathetic fibers will release acetylcholine (ACh) next to the Reissessen muscle, a smooth muscle layer surrounding the bronchi.These smooth muscle cells have M3 type muscarinic receptors on their membrane.ostganglionic parasympathetic fibers will release acetylcholine (ACh) next to the Reissessen muscle, a smooth muscle layer surrounding the bronchi. These smooth muscle cells have M3 type muscarinic receptors on their membrane.