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

Relation between the hypophysis and the hypothalamus, Q. What is the relati...

Q. What is the relation between the hypophysis and the hypothalamus? The hypothalamus is a part of the brain situated just above the hypophysis and the hypothalamus gets centra

How much nacl can be made using 30g of nacl, How much of a 10% w/v of nacl ...

How much of a 10% w/v of nacl can be made using 30g of nacl? Please show all steps.

What are immunoglobulins, What are immunoglobulins? Immunoglobulin is t...

What are immunoglobulins? Immunoglobulin is the exchange name given to antibody. Immunoglobulins are complex proteins having an invariable portion and a variable portion and ma

Demonstration of diversity of plant and animal - taxonomy, Demonstration of...

Demonstration of Diversity of Plant and Animal - Taxonomy A third objective is the demonstration of tremendous diversity of the plant and animal world and its relation to man's

How protons, Give definitions of atomic number and atomic mass and how they...

Give definitions of atomic number and atomic mass and how they relate to protons, neutrons, and electrons in neutral atoms?

Nekton - aquatic ecosystem, Nekton - Aquatic Ecosystem This group cont...

Nekton - Aquatic Ecosystem This group contains animals which are swimmers. The nektons are relatively large and powerful as they have to overcome the water currents. The anima

What are the types of muscle tissues, What are the types of muscle tissues?...

What are the types of muscle tissues? What are the morphological features that differentiate those types? There are three kinds of muscle tissue: the skeletal striated muscle t

Describe the basic function of platelets, Q. What is the function of platel...

Q. What is the function of platelets? What consequences does the clinical condition known as thrombocytopenia yield? Platelets, also known as thrombocytes are fragments of gian

What gases was the earths primitive atmosphere, Before the emergence of lif...

Before the emergence of life of what gases was the earth's primitive atmosphere constituted? The earth's primitive atmosphere was basically produced of methane, hydrogen, ammon

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