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brain
/ˈbɹeɪn/
noun
the body part that is inside our head controlling how we feel, think, move, etc.
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neuron
/ˈnʊɹɑn/
noun
a cell that is responsible for transmitting nerve impulses between the brain and the rest of the body
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nerve
/ˈnɝv/
noun
each of a group of long thread-like structures in the body that carry messages between the brain and other parts of the body, sensing things is a result of this process
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fiber
/ˈfaɪbɝ/
noun
any strand of muscle or nervous tissues
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spinal cord
/spˈaɪnəl kˈoːɹd/
noun
the inner part of the spine containing a mass of nerves that connects the brain to almost all the body parts
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axon
/ˈækˌsɑn/
noun
a long, slender projection of a nerve cell that conducts electrical impulses away from the cell body towards other neurons or target cells
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solar plexus
/sˈoʊlɚ plˈɛksəs/
noun
(anatomy) a network of nerves in the abdomen and in front of the aorta that contains several ganglia
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ganglion
/ˈɡæŋɡɫiɑn/
noun
(anatomy) a mass of neurons that form a nerve center in the body outside the brain or spinal cord
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glial
/ɡlˈaɪəl/
adjective
related to or associated with glia or glial cells in the nervous system
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plexus
/ˈpɫɛksəs/
noun
a complex arrangement or network of nerve fibers or blood vessels that intersect and intertwine within the body
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interneuron
/ˈɪntərnjʊrɒn/
noun
a neuron that acts as an intermediary between sensory neurons and motor neurons, or between other interneurons.
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fascicle
/fˈæsɪkəl/
noun
a bundle of muscle fibers or nerve fibers bound together by connective tissue
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motor neuron
/mˈoʊɾɚ nˈʊɹɹɑːn/
noun
a nerve cell that transmits signals from the central nervous system to the muscles, enabling voluntary movements
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pons
/ˈpɑnz/
noun
a region in the brainstem that acts as a bridge, connecting different parts of the brain and aiding in essential functions like sleep regulation and sensory-motor coordination
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optic nerve
/ˈɑːptɪk nˈɜːv/
noun
the bundle of nerve fibers that carries visual information from the eye to the brain
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mixed cranial nerve
/mˈɪkst kɹˈeɪnɪəl nˈɜːv/
noun
a cranial nerve that contains both sensory and motor fibers
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ulnar nerve
/ˈʌlnɑːɹ nˈɜːv/
noun
a nerve in the upper limb that provides sensation and controls muscle movement in the hand and forearm
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olfactory nerve
/ɑːlfˈæktɚɹi nˈɜːv/
noun
a sensory nerve responsible for the sense of smell
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oculomotor nerve
/ˈɑːkjʊlˌɑːmoʊɾɚ nˈɜːv/
noun
a cranial nerve responsible for controlling the movement of the eye muscles
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neural network
/nˈʊɹɹəl nˈɛtwɜːk/
noun
a complex system of interconnected neurons that processes and transmits information in the body
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trochlear nerve
/tɹˈoʊklɪɹ nˈɜːv/
noun
the fourth cranial nerve responsible for controlling the movement of the superior oblique muscle of the eye
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trigeminal nerve
/tɹaɪdʒˈɛmɪnəl nˈɜːv/
noun
the fifth cranial nerve that provides sensory information from the face and controls the muscles responsible for chewing
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schwann cell
/ʃwˈæn sˈɛl/
noun
a glial cell in the peripheral nervous system that forms myelin sheaths around nerve fibers
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facial nerve
/fˈeɪʃəl nˈɜːv/
noun
a cranial nerve responsible for controlling the muscles of facial expression
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vestibulocochlear nerve
/vˈɛstɪbjˌʊləkˌɑːtʃlɪɹ nˈɜːv/
noun
a cranial nerve responsible for hearing and balance
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glossopharyngeal nerve
/ɡlˈɔsəfˌɑːɹɪndʒˌiəl nˈɜːv/
noun
a cranial nerve responsible for sensory and motor functions in the head and neck region
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vagus nerve
/vˈæɡəs nˈɜːv/
noun
a cranial nerve that plays a vital role in regulating various bodily functions, including heart rate, digestion, and respiratory control
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accessory nerve
/ɐksˈɛsɚɹi nˈɜːv/
noun
a cranial nerve responsible for controlling certain muscles involved in head and neck movements
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hypoglossal nerve
/hˌaɪpoʊɡlˈɔsəl nˈɜːv/
noun
a cranial nerve responsible for controlling the movements of the tongue
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abducens nerve
/ɐbdˈuːsənz nˈɜːv/
noun
a cranial nerve responsible for controlling the movement of the lateral rectus muscle, which enables the eye to move laterally or outward
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unipolar neuron
noun
a type of neuron that has a single projection, or process, that branches into two directions
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motor nerve fiber
/mˈoʊɾɚ nˈɜːv fˈaɪbɚ/
noun
a type of nerve cell extension that carries signals from the central nervous system to the muscles, enabling voluntary movement
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parasympathetic nervous system
/pˌæɹəsˌɪmpəθˈɛɾɪk nˈɜːvəs sˈɪstəm/
noun
a division of the autonomic nervous system responsible for regulating rest, digestion, and other essential bodily functions
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nerve cell
/nˈɜːv sˈɛl/
noun
a specialized cell that transmits electrical signals in the nervous system
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central nervous system
/sˈɛntɹəl nˈɜːvəs sˈɪstəm/
noun
the complex network of the brain and spinal cord that controls and coordinates bodily functions and processes
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glial cell
/ɡlˈaɪəl sˈɛl/
noun
a non-neuronal cell in the nervous system that provides support and protection for neurons, helps maintain homeostasis, and participates in signaling and other important functions
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peripheral nervous system
/pɚɹˈɪfɚɹəl nˈɜːvəs sˈɪstəm/
noun
a network of nerves and ganglia that connects the central nervous system to the organs, muscles, and tissues of the body, facilitating communication and control
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autonomic nervous system
/ɔːtənˈɑːmɪk nˈɜːvəs sˈɪstəm/
noun
the part of the peripheral nervous system that controls and regulates involuntary bodily functions, including heart rate, digestion, and glandular activity
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autonomic ganglion
/ɔːtənˈɑːmɪk ɡˈæŋɡliən/
noun
a cluster of nerve cell bodies that mediates communication between the central nervous system and the organs
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autonomic plexus
/ɔːtənˈɑːmɪk plˈɛksəs/
noun
a network of nerves and ganglia that regulates involuntary bodily functions
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sympathetic nervous system
/sˌɪmpəθˈɛɾɪk nˈɜːvəs sˈɪstəm/
noun
a network of nerves that prepares the body for stressful or emergency situations by activating the "fight or flight" response
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somatic nervous system
noun
the part of the peripheral nervous system that is responsible for the voluntary control of body movements and the reception of external stimuli.
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motor nerve
/mˈoʊɾɚ nˈɜːv/
noun
a type of nerve that carries signals from the central nervous system to the muscles, enabling voluntary muscle movements
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somatic sensory system
/səmˈæɾɪk sˈɛnsɚɹi sˈɪstəm/
noun
a network of nerves and receptors that enables the perception of touch, temperature, pain, and body position
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cranial nerve
/kɹˈeɪnɪəl nˈɜːv/
noun
a bundle of nerves that emerge directly from the brain and innervate structures in the head and neck
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spinal nerve
/spˈaɪnəl nˈɜːv/
noun
a singular anatomical structure that carries sensory and motor signals between the spinal cord and the rest of the body
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spinal nerve root
/spˈaɪnəl nˈɜːv ɹˈuːt/
noun
the initial segment of a spinal nerve that emerges from the spinal cord
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sensory nerve
/sˈɛnsɚɹi nˈɜːv/
noun
a body part that carries sensory information from the body to the central nervous system
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sensory neuron
/sˈɛnsɚɹi nˈʊɹɹɑːn/
noun
a nerve cell that transmits sensory information from the body to the central nervous system
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sensory fiber
/sˈɛnsɚɹi fˈaɪbɚ/
noun
a nerve fiber that carries sensory information from sensory receptors to the central nervous system
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sensory cortex
/sˈɛnsɚɹi kˈɔːɹɾɛks/
noun
the part of the brain that processes and interprets sensory information from the body
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multipolar neuron
noun
a type of neuron that has many processes or projections (dendrites) arising from its cell body, and a single axon that extends away from the cell body
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femoral nerve
/fˈɛmɚɹəl nˈɜːv/
noun
a key nerve responsible for transmitting signals to the muscles and skin of the thigh and leg
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