parasympathetic nervous system. n. The part of the autonomic nervous system originating in the brainstem and the lower part of the spinal cord that, in general, inhibits or opposes the physiological effects of the sympathetic nervous system, as in tending to stimulate digestive secretions or slow the heart.arasympathetic nervous system. The division of the autonomic (involuntary or unwilled) nervous system that slows heart rate, increases digestive and gland activity, and relaxes the sphincter muscles that close off body organs.
Six key changes. Some knowledge of Western civilisation at the time of the Renaissance will help you understand the medicine of the Early Modern Age. In the 15th century AD, there was a 'rebirth' of European civilisation. Governments - such as that of Henry VIII - were strong and rich. The economy boomed and trade prospered.
The Renaissance [edit]. The 14th century saw the beginning of the cultural movement of the Renaissance. The rediscovery of ancient texts was accelerated after the Fall of Constantinople, in 1453, when many Byzantine scholars had to seek refuge in the West, particularly Italy.he rediscovery of ancient scientific texts was accelerated after the Fall of Constantinople in 1453, and the invention of printing which would democratize learning and allow a faster propagation of new ideas. But, at least in its initial period, some see the Renaissance as one of scientific backwardness.