HLSC 2400U Study Guide - Chemical Synapse, Axon Terminal, Anterior Grey Column

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26 Feb 2013
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Spinal cord does not extend from the medulla to the sacrum. Cerebellum contains about 50% of the total neurons. The shallow grooves separating the gyri are called sulci. One of the functions of cerebellum is coordination of equilibrium. The latin word for little brain is cerebellum. The spinal cord is not the site where sensations are felt. The spinal cord connects periphery information to the brain and also functions to process information. A tract is a bundle of nerve fibers inside the cns. Sensory neurons are also known as afferent neurons. Motor neurons are located on the ventral side. A stroke affecting the medial portion of the post central gyrus of the right hemisphere is most likely to result in symptoms such as: Loss of sensation in the left foot. Primary motor cortex is also known as pre central gyrus which is responsible for motor output. Post - central gyrus is the somatosensory area which is responsible for sensation interpretation.