";s:4:"text";s:2306:"The myelin sheets present in the white matter greatly attribute to its white color, while the neuronal cell bodies and the capillaries in … Grey matter undergoes development and growth throughout childhood and adolescence. 1. No. White matter is made up of the long filaments that extend from the cell bodies - the "telephone wires" of the neuronal network, transmitting the electrical signals that carry the messages between neurons. Grey matter is made up of nerve cell bodies, and white matter is made up of fibers. The gray matter, however, consumes about 94% of the total oxygen used by the brain. Recent studies using cross-sectional neuroimaging have shown that by around the age of 8 the volume of grey matter begins to decrease. 3. Which statement is true of grey matter a It is the primary source of from STAT 104 at Duke University The vast majority of MS lesions occur in the white matter areas but a small number, about 5%, do occur within the gray matter. Unlike the white matter, the neurons of grey matter do not have extended axons. The most noticeable difference between the white and the gray matter is their color. Which of the following statements about gray matter is true? Unlike white matter, gray matter contains few myelinated axons. Brain tissue is divided into two types: gray matter and white matter. Some grey matter is also found deep inside the cerebellum in the basal ganglia, thalamus and hypothalamus and white matter is also found in the optic nerves and the brainstem. Color. An integral part of the CNS, gray matter is made up of neutrophils, glial cells, neuronal cell bodies, capillaries, and synapses. Grey matter occupies 40 percent of the brain, while white matter fills 60 percent of the brain. Find answers now! These names derive very simply from their appearance to the naked eye. 1 Questions & Answers Place. D. The nerve fibers within spinal tracts arise from cell bodies located in the same part of the nervous system. The white matter carries sensory stimuli to the brain; the gray matter carries motor stimuli to the periphery.
However, the density of grey matter appears to … 4.