Nervous System

1. It is controling system of body. Ectodermal in origin.
2. This system is made up of nervous tissue.
3. Nervous tissue is made up of neuron & neuroglial cells.
4. Neuron is originated from neuroblast, that appears at neurula stage in the formation of neural canal.
5. In neuron centrosome is absent so there is no power of regeneration.
6. Neuroglial cells are helpful in repairing.
7. Nervous system is studied in three parts -

Note :- Group of neuron in CNS is called nucleus.

Posted Date: 10/3/2012 1:14:44 AM | Location : United States

Ask an Expert

Related Discussions:- Nervous system, Assignment Help, Ask Question on Nervous system, Get Answer, Expert's Help, Nervous system Discussions

Write discussion on Nervous system
Your posts are moderated

Write your message here..

Related Questions

Is calcium-sensing receptors serves as a sensor, Which of the following ser... Which of the following serves as a sensor, or as part of a sensor, that functions in a positive feedback system? A. CaSRs (Calcium-Sensing Receptors) situated in the plasma mem

Explain about vitamin C, Vitamin C (Ascorbic acid) Vitamin C, ascorbic ... Vitamin C (Ascorbic acid) Vitamin C, ascorbic acid is also called anti-scorbutic vitamin. Ascorbic acid occurs as white crystals or white crystalline powder without odour and o

How different are animal cells from plant cells, How different are animal c... How different are animal cells from plant cells? Whereas plant cells are eukaryotic, autotrophic, photosynthetic and have chloroplasts and cell wall, the animal cells are eukar

Explain phylum zygomycetes, Phylum Zygomycetes 1) Asexual reproduction ... Phylum Zygomycetes 1) Asexual reproduction by non-motile spores produced from a stalked spore case which is known as sporangium. 2) They reproduced by- conjugation between n

Explain the structure of fungi, Explain the Structure of Fungi? The veg... Explain the Structure of Fungi? The vegetative structure of a fungus is called thallus. It varies in complexity and size, ranging from unicellular yeasts to multicellular mould

Nonshivering Thermogenesis, definition ? definition ?

Nucleic acids, Deoxyribonucleic Acid (DNA) - polymer of nucleotides contai... Deoxyribonucleic Acid (DNA) - polymer of nucleotides containing genetic information that codes for proteins Nucleotide - a monomer of DNA consisting of a ribose/deoxyribose sug

What is the meaning of ideometric approach, What is the meaning of Ideometr... What is the meaning of Ideometric approach Ideometric approach in the context of neuropsychological assessment emphasises the patient's premorbid functioning with reference to

Power plants of the aerobic cells, Why can mitochondria be considered the p... Why can mitochondria be considered the power plants of the aerobic cells? Ans) Mitochondria are the "power plants" of aerobic cells due to within them the final stages of the ce

Promoters - transgenic animals, Promoters The promoter region contains ... Promoters The promoter region contains the DNA sequences that allow the formation of the transcription initiation complex that give the specificity of expression. Promoters are