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

Counseling, If I send you ab assignment can you finish it by midnight centr...

If I send you ab assignment can you finish it by midnight central time TONIGHT

Acid rain, Acid Rain: A side effect of air pollution is acid rain, whic...

Acid Rain: A side effect of air pollution is acid rain, which is now of common occurrence. You might have seen, that some industries build very tall smoke stacks  to protect  t

SCIENCE, THE HEART PUMPS BOODS EVERY MINUTE AND EVERY SECOND OF THE DAY WIT...

THE HEART PUMPS BOODS EVERY MINUTE AND EVERY SECOND OF THE DAY WITHOUT RESTING

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

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

Causes of fire and fire hazards, Causes of Fire :  The potential fire risk...

Causes of Fire :  The potential fire risk arises from the presence of combustible solids, liquids or gases in conjunction with ignition sources. One or more class is generally fou

Precautionary measures against ionising radiations , Precautionary Measures...

Precautionary Measures Against Ionising Radiations The following guidelines are suggested for experiments using low activity radioactive materials: (1) Avoid skin contact

Science and technology during the renaissance, Science and Technology durin...

Science and Technology during the Renaissance:  This phase in the history of science was one of description and criticism. First came the exploration of ancient knowledge, mainly o

Explain mucous membranes - external defence mechanism, Explain Mucous membr...

Explain Mucous membranes - External Defence Mechanism Mucous membranes: The digestive, urinary, genital and respiratory tracts open out at one or both ends. They do not have a

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