What is the peripheral nervous system, Biology

Assignment Help:

Define the Peripheral Nervous System (PNS)

Peripheral nervous system consists of cranial and spinal nerves.

There are twelve pairs of cranial nerves. They arise from brain. Most of them arrive from brain stem. There are the thirty one pairs of spinal nerves arising from spinal cord. They have been named and numbered according to the vertebral region they belong to. Thus there are eight pairs of cervical spinal nerves from C1 to C8, twelve pairs of dorsal nerves from D1 to D12, five pairs of lumbar spinal nerves from L1 to L5, five pairs of sacral nerves from S1 to S5 and one pair of coccygeal nerve.

 


Related Discussions:- What is the peripheral nervous system

Technique of assessment of growth and development, TECHNIQUE OF ASSESSMENT ...

TECHNIQUE OF ASSESSMENT OF GROWTH AND DEVELOPMENT Measurement of physical growth in children is a key element in evaluation of the health status of children. Physical grow

Explain post-lyme disease syndrome, Explain Post-lyme disease syndrome  ...

Explain Post-lyme disease syndrome  Some treated patients whose objective manifestations of Lyme disease have resolved with antibiotic treatment report subjective symptoms suc

Explain aabout milk fats - edible fats, Milk Fats  Fats of this group a...

Milk Fats  Fats of this group are derived from the milk of ruminants, particularly cows and buffaloes. Although the major fatty acids of milk fat are palmitic, oleic and steari

Define nutritional availability - microbial survival, Define Nutritional Av...

Define Nutritional Availability - Microbial Survival and Growth? Food borne microbes are chemotrophs. Generally the types of microorganisms present on a particular food are the

What are deciduous trees, What are deciduous trees? The Deciduous trees...

What are deciduous trees? The Deciduous trees are plants that lose their leaves in a period of the year and in the case of the deciduous trees of the temperate forest the fall

Transport of substances done across the bryophyte tissues, Q. How is the tr...

Q. How is the transport of substances done across the bryophyte tissues? How is this feature related to the general size of these plants? In bryophytes there are no nutrient-co

Biology, What are the differences b/w bone and cartiledge

What are the differences b/w bone and cartiledge

What could have caused the discrepancy, If the class's value did not match ...

If the class's value did not match the expected value of water, let's assume everyone was actually correctly using the devices and there was no "user error." What could have caused

Zearalenone, Zearalenone It was first isolated as the agent responsibl...

Zearalenone It was first isolated as the agent responsible for vulvovaginitis in pigs has very little acute toxicity, but there should be some concern about chronic exposure t

Transport and facilitated diffusion have in common, Q. What do active trans...

Q. What do active transport and facilitated diffusion have in common? What are the dissimilarity between them? Facilitated diffusion can be perplexed with active transport beca

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