The Amerindian population of Guyana is approximately 31,000. The tribes consisting of nine major ethnic groups, including the Akawaios, Arawaks, Arekunas, Caribs, Makushis, Patamonas, Wapishanas, Warraus and the Wai-Wais are mainly found in the hinterland or the interior region.
At 31 places along the spinal cord the dorsal and ventral roots come together to form spinal nerves. Spinal nerves contain both sensory and motor fibers, as do most nerves. Spinal nerves are given numbers which indicate the portion of the vertebral column in which they arise.t 31 places along the spinal cord the dorsal and ventral roots come together to form spinal nerves. Spinal nerves contain both sensory and motor fibers, as do most nerves. Spinal nerves are given numbers which indicate the portion of the vertebral column in which they arise.
enÂ·doÂ·neuÂ·riÂ·um. The innermost connective tissue supportive structure of nerve trunks, surrounding individual myelinated and unmyelinated nerve fibers; consists principally of ground substance, collagen, and fibroblasts; with the perineurium and epineurium, composes the peripheral nerve stroma.enle nervous layer-the layer of the retina from the outer plexiform to the nerve fiber layer inclusive. Synonym(s): entoretina. Henle reaction-dark brown staining of the medullary cells of the adrenal bodies when treated with the salts of chromium, the cortical cells remaining unstained.