Explain in detail about the optic nerve, Biology

Assignment Help:

Explain in detail about the optic nerve

The optic nerve contains more than one million axons that initiate in the ganglion cell layer of the retina. This structure originatcs at the back of the eye just above and medial to the posteiior pole. It contiilues on from the retinal nerve fibre layer. The optic nerve consists of visual fibres and pupillonlotus Iibres (for pupills~ry reflex and oculm movements). Fibres frbm peripheral retina lie deeper in retina but occupy the most supelficial pm-t of optic nerve while those from central retina are superficial in retina but centrally placed in the optic nerve.


Related Discussions:- Explain in detail about the optic nerve

Defone economic consequences of malnutrition, Defone Economic consequences ...

Defone Economic consequences of malnutrition? Figure explains the economic consequences of malnutrition. You would note from the Figure that the economic productivity of the in

Anatomy of the heart, The human heart is a cone-shaped, four-chambered musc...

The human heart is a cone-shaped, four-chambered muscular pump located in the mediastinal cavity of the thorax between the lungs and beneath the sternum, designed to ensure the cir

Primary succession - community change, Primary Succession - Community Chang...

Primary Succession - Community Change In primary succession on a terrestrial site the new site is first colonised by a few hardy pioneer species that are often microbes, liche

How is gas exchange done in flatworms, Q. How is gas exchange done in flatw...

Q. How is gas exchange done in flatworms? Platyhelminthes exchange gases exclusively by diffusion through their body surface. This is only possible because all cells are locali

How many alleles of genes that condition x-linked traits do, How many allel...

How many alleles of genes that condition X-linked traits do female and male individuals respectively present? For every correspondent gene to an X- linked trait women present a

When fecundation to be effective, Q. How long after ovulation must fecundat...

Q. How long after ovulation must fecundation occur to be effective? If fecundation doesn't occur around 24 hours after ovulation the released ovum often dies.

What are biological troubles, What are the biological troubles that mollusc...

What are the biological troubles that molluscs face due to their soft body? Because molluscs have a soft body they are more fragile. They also have more complexity to support t

Can you explain restrictive ventricular septal defect, Q. Can you explain ...

Q. Can you explain Restrictive Ventricular Septal Defect ? VSD is restrictive when VSD pressure gradient is more than 60mmHg (systolic cuff pressure-VSD lpressure grad

Determine the types of neuropsychology, Determine the types of neuropsychol...

Determine the types of neuropsychology The practise in neuropsychology is roughly divided into two approaches. Some practitioners use standard comprehensive neuropsychological

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