Autonomic nervous system, Biology

Assignment Help:

A.N.S. (Autonimic Nervous System)

Name given by Langley. Controled by Hypothelamus. Partially independent system.

Controls involuntary actions as heart beat, breathing, homeostasis, peristalasis secretion of glands.

So a ganglionic system that controls involuntary action is A.N.S.

Internal organ receive fibres fron 2 sources - sensory & motor.

Nerve of sensory region is originated from dorsal root and nerve of motor region is originated from ventral root.

Visceral motor fibres are divided into 2 parts -

1. Preganglionic - Medullated (white matter)

2. Postganglionic - Non-Medullated (grey matter)


Related Discussions:- Autonomic nervous system

Water stress - responses of plants to stress, Water Stress - Responses of P...

Water Stress - Responses of Plants to Stress Water stress in a plant can result from drought, excess salinity in the soil and very low or high temperatures. It has been found

Occurrence of earthquake, Among the different natural hazards, earthquakes ...

Among the different natural hazards, earthquakes happen to be the most feared and dangerous because of their sudden impact and the devastation they cause in a matter of few seconds

Explain about simple proteins, Explain about Simple proteins Simple pro...

Explain about Simple proteins Simple proteins are those which are made of amino acid units only joined by peptide bond.  Upon hydrolysis they yield a mixture of amino acids and

Explain the metabolism - zinc, Explain the Metabolism - Zinc? Zinc has ...

Explain the Metabolism - Zinc? Zinc has been found to play an important biological role in our body. Zinc ions can be chelated and precipitated by a number of chelating agents

Determine the diversity of biological evolution, Is crossing over important...

Is crossing over important for the diversity of biological evolution? Sexual reproduction and recombination of linked genes (crossing over) are, with mutations, the main instru

Gametogenesis, The process of meiosis in animals is called gametogenesis .I...

The process of meiosis in animals is called gametogenesis .It takes place in the testis in male and ovary in female. Gametogenesis is divided into spermatogenesis (formation of

Contig, Contig:  Number of uses, all nouns. The term comes from the shorten...

Contig:  Number of uses, all nouns. The term comes from the shortening of the word 'contiguous'. A 'contig' might refer to the map showing placement of a set of clones which comple

Biothw, Determine sequence weights for the sequences ACTA, ACTT, CGTT, and ...

Determine sequence weights for the sequences ACTA, ACTT, CGTT, and AGAT in problem 1 by using Thompson, Higgins, and Gibson method

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd