Explain the posterior nerve root, Science

Assignment Help:

Explain the Posterior Nerve Root

Posterior nerve root consists of sensory nerve fibres, having cell bodies in root ganglions and enter the spinal cord. Immediately after emerging from the intervertebral foramen, each spinal nerve divides into ramus communicants, posterior and anterior ramus. The ramus communicants are part of pre ganglionic sympathetic neurons of the autonomic nervous system.

The posterior rami pass backwards and divide into medial and lateral branches to skin, muscles etc. The anterior rami supply anterior and lateral aspects of the trunk, upper and lower limbs. In the cervical, lumbar and sacral regions, the anterior rami unite near the origins to form large masses of nerves or plexus. They divide and branch to proceed to skin, muscles, joints etc. There are 5 such large plexus. They are the cervical plexus, brachial plexus, lumbar plexus, sacral plexus and coccygeal plexus.


Related Discussions:- Explain the posterior nerve root

Coping stress, Ask question #Minimum 100 words acceptedYou are caring for a...

Ask question #Minimum 100 words acceptedYou are caring for a 29-year-old woman who is married with two small children, ages 1 and 3 years, at home. She is recuperating from a left

Difference between society and culture, 1. Explain the difference between s...

1. Explain the difference between society and culture. 2. What is the difference between Structural Functionalist Theory and Symbolic Interaction Theory? 3.Explain the differ

Explain hypersecretion (hyperthyroidism) or thyrotoxicosis, Explain the Hyp...

Explain the Hypersecretion (Hyperthyroidism) Or Thyrotoxicosis This condition generally occurs in adult life. This is commonly caused by hyperplasia of the gland and is called

Life science, b) discuss briefly the scientific and technical achievements ...

b) discuss briefly the scientific and technical achievements of the bronze age

Plant breeding, what are conventional plant breeding and non-conventional p...

what are conventional plant breeding and non-conventional plant breeding methods . what are their impacts in the future crop/plant production

Why did the continents spread apart, Why did the continents spread apart? ...

Why did the continents spread apart? This is because of the heat generated from the earth's interior and earthquakes - the convection currents deep within the earth due to the

The celestial equator, What constellations does the ecliptic pass by?  Wher...

What constellations does the ecliptic pass by?  Where is the Celestial Equator (in relation to the planets & the ecliptic)?  Are the planets east /west of your local meridian?  Whe

Scientific activity, Describe the factors which decide the broad area of Sc...

Describe the factors which decide the broad area of Scientific activity?

Artificial satellites, Artificial Satellites Tireless  Servants  in t...

Artificial Satellites Tireless  Servants  in the Sky The space crafts that move in  an orbit around the earth are  called artificial satellites. Most satellites go around the

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