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nervous system - Meaning in Tamil

Tamil: நர்வஸ ஸிஸ்டம

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nervous system - Meaning in Tamil

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Definitions and Meaning of nervous system in English

nervous system noun

  1. the sensory and control apparatus consisting of a network of nerve cells

    Synonyms

    systema nervosum

    சதைநார் அமைப்பு, தசைநார் அமைப்பு, நரம்புத் தொகுதி

Description

In biology, the nervous system is the highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body. The nervous system detects environmental changes that impact the body, then works in tandem with the endocrine system to respond to such events. Nervous tissue first arose in wormlike organisms about 550 to 600 million years ago. In vertebrates, it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers, or axons, that connect the CNS to every other part of the body. Nerves that transmit signals from the brain are called motor nerves (efferent), while those nerves that transmit information from the body to the CNS are called sensory nerves (afferent). The PNS is divided into two separate subsystems, the somatic and autonomic, nervous systems. The autonomic nervous system is further subdivided into the sympathetic, parasympathetic and enteric nervous systems. The sympathetic nervous system is activated in cases of emergencies to mobilize energy, while the parasympathetic nervous system is activated when organisms are in a relaxed state. The enteric nervous system functions to control the gastrointestinal system. Nerves that exit from the brain are called cranial nerves while those exiting from the spinal cord are called spinal nerves.

நரம்புத் தொகுதி அல்லது நரம்பு மண்டலம் என்பது விலங்குகளில் காணப்படும், இச்சைவழி (Voluntary), மற்றும் இச்சையின்றி (Involuntary) நிகழும் அனைத்து இயக்கங்களையும் ஒருங்கிணைப்பதற்கும், விலங்கிற்கு உள்ளேயும், வெளியிலான சூழலுடன் தொடர்புற்றும் தகவல்களையும், சைகைகளையும் விலங்கின் வெவ்வேறு பகுதிகளுக்கிடையில் கடத்துவதற்குமான சிறப்பாக்கம் கொண்ட ஒரு தொகுதியாகும். இது நரம்பு உயிரணுக்கள் எனப்படும் உயிரணுக்களினாலும், அவற்றையெல்லாம் இணைக்கும் நரம்புகளாலும் (nerves) ஏற்படுத்தப்பட்ட ஒரு வலையமைப்பு ஆகும். இத் தொகுதியே உயிரினங்களின் உடற்செயல்கள் அனைத்தையும் ஒன்றிணைத்துக் கட்டுப்படுத்துவதாகவும், உடலின் பல பகுதிகளிலும் இருந்து பெறப்படும் சமிக்ஞைகளை கடத்துவதாகவும் இருக்கின்றது.

Also see "Nervous system" on Wikipedia

What is nervous system meaning in Tamil?

The word or phrase nervous system refers to the sensory and control apparatus consisting of a network of nerve cells. See nervous system meaning in Tamil, nervous system definition, translation and meaning of nervous system in Tamil. Find nervous system similar words, nervous system synonyms. Learn and practice the pronunciation of nervous system. Find the answer of what is the meaning of nervous system in Tamil.

Other languages: nervous system meaning in Hindi

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What is nervous system meaning in Tamil, nervous system translation in Tamil, nervous system definition, pronunciations and examples of nervous system in Tamil.

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