Organs Without Dual Innervation. Although most organs are innervated by both sympathetic and parasympathetic nerves, some-including the adrenal medulla, arrector pili muscles, sweat glands, and most blood vessels-receive only sympathetic innervation.
The Jamaica Tourist Board (JTB) was established in 1955 by Tourist Board Law 61 of 1954 â¦ over 450 years after the famous declaration by Christopher Columbus that Jamaica was the âfairest island that eyes have beheld â¦â The JTB came under the aegis of the Ministry of Trade and Industry.
History and Ethnic Relations. Emergence of the Nation. Jamaica was a Spanish colony from 1494 to 1655 and a British colony from 1655 to 1962. The colonial period was marked by conflict between white absentee owners and local managers and merchants and African slave laborers.