Definition Of Nucleus Nervous System

Nucleus a collection of neurons that are thought to work together in performing certain functions. The system of nerve cells and tissues that regulates the actions and responses of vertebrate and many invertebrate animals.

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For example the nucleus accumbens consists of a large number of distinct neurons but together these neurons are thought to play an important role in processing rewarding experiences.

Definition of nucleus nervous system. Nervous system organized group of cells specialized for the conduction of electrochemical stimuli from sensory receptors through a network to the site at which a response occurs. Nuclear physics The central positively charged dense portion of an atom. - The system of cells tissues and organs that regulates the bodys responses to internal and external stimuli - In vertbrates it consists of the brain spinal cord nerves.

Nucleus an organelle of eukaryotic cells that is bounded by a NUCLEAR MEMBRANE and contains the chromosomes whose genes control the structure of proteins within the cell. It is an organ system ascribed to send signals from the spinal cord and the brain throughout the body and then back from all the body parts to the brain. The nervous system of vertebrates consists mainly of.

The nucleus is a pivotal organelle responsible for regulating almost all forms of cellular activities. Basic Cells of the Nervous System Neuron Basic functional cell of nervous system Transmits impulses up to 250 mph Parts of a Neuron Dendrite receive stimulus and carries it impulses toward the cell body Cell Body with nucleus nucleus most of cytoplasm Axon fiber which carries impulses away from cell body. Anatomy the mass of nerve cell bodies connected by tracts of nerve fibres which occur in the vertebrate brain.

Ganglia and parts of the receptor and effector organs Click again to see term 127. Mostly every type of cell that exists is categorized on the basis of the absence or presence of the nucleus within its cell categorized either as a prokaryotic or eukaryotic cell. Neuroscience A mass of nerve cells in the central nervous system.

The nucleus of a city. A central or essential part around which other parts are gathered or grouped. The paths of large axons arising from these cell bodies are called tracts of the central nervous system.

It is a characteristic behaviour of living entities to respond to stimuli with the intervention of the Nervous System. Nuclei are the clusters of neuron cells bodies found in the central nervous system. All voluntary muscles are controlled by the somatic nervous system.

A particle of any nature upon which or a locus at which molecules of water or ice accumulate as a result of a phase change to a more condensed state. Nuclei make the grey matter while tracts make the white matter in the central nervous system. Definition of Voluntary Muscles.

A cellular organelle of eukaryotes that is essential to cell functions as reproduction and protein synthesis is composed of nuclear sap and a nucleoprotein-rich network from which chromosomes and nucleoli arise and is enclosed in a definite membrane. Central nervous system nucleus - definition of central nervous system nucleus by The Free Dictionary. Brian is a large collection of nuclei where processing of information occur.

The brain is contained within the cranial cavity of the skull and the spinal cord is contained within the vertebral cavity of the vertebral column. The cell body also called the soma is the spherical part of the neuron that contains the nucleus. Involuntary muscles have thin slender spindle-shaped muscle cells with a nucleus in the centre.

The central nervous system CNS is the brain and spinal cord and the peripheral nervous system PNS is everything else link. Follow the electrical and chemical changes undergone to transmit an impulse through the human nervous system. Medical Definition of nucleus 1.

The nucleus of voluntary muscle cells is placed towards the cells periphery and is long cylindrical and unbranched. The cell body connects to the dendrites which bring information to the neuron and the axon. Nuclei or nucleuses 1.

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