11.41: Nerve Cells and Nerve Impulses Difficulty Level: At Grade Created by: CK-12 % Progress MEMORY METER This indicates how strong in your memory this concept is Practice Progress % % Practice Now MEMORY METER This indicates how strong in your memory this concept is Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English axon Long, threadlike part of a neuron that transmits nerve impulses to other cells. cell body Central part of a neuron that contains the nucleus and other cell organelles. dendrite Extension of the cell body of a neuron that receives nerve impulses from other neurons. motor neuron Nerve cell that carries nerve impulses from the brain and spinal cord to organs, glands, and muscles. myelin sheath Fatty layer that insulates the axon and allows the electrical signal to travel much more quickly. nerve Bundle of nerve cells. nerve impulse Electrical signal transmitted by the nervous system. neuron Nerve cell. neurotransmitter Chemical that carries a nerve impulse from one nerve cell to another at the synapse. node of Ranvier Any gap within the myelin sheath exposing the axon. sensory neuron Nerve cell that carries nerve impulses from the sense organs and internal organs to the brain and spinal cord. synapse Place where the axon of one neuron meets the dendrite of another. Image Attributions Show Hide Details Description Introduces the role of neurons in the nervous system - their function, purpose, make-up, and types. Learning Objectives None Difficulty Level: At Grade Authors: Jessica Harwood Douglas Wilkin, Ph.D. Contributors: Doris Kraus, Ph.D. Niamh Gray-Wilson Jean Brainard, Ph.D. Sarah Johnson Jane Willan Corliss Karasov Editors: Douglas Wilkin, Ph.D. Tags: axon cell body dendrite (5 more) nerves neurons SCI.BIO.921.L.1 SCI.LSC.921.L.1 synapse Subjects: science Life Science Concept Nodes: SCI.LSC.921 (Nerve Cells and Nerve Impulses) Grades: 7 , 8 Date Created: Nov 29, 2012 Last Modified: Aug 30, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.