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.
Before the Renaissance, during the Middle Ages, people relied solely on the Catholic church for their information about the world. They based their facts on the Bible and what religious figures told them. During the Renaissance, a more secular way of thinking developed. As the printing press grew, more people became literate and were able to interpret the Bible for themselves. This led to the creation of new religions and theories about science.