What is optic nerve, Biology

Assignment Help:

What is 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 pupillary 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:- What is optic nerve

Release of microspores, Release of Microspores Up to the tetrad stage...

Release of Microspores Up to the tetrad stage, there is no cellulosic wall around the microspores. As you will come to know in the next unit, a unique feature of the pollen i

What are angiosperms, What are angiosperms, the flowering plants? What is t...

What are angiosperms, the flowering plants? What is the major feature that distinguishes them from the gymnosperms? Flowering plants have flowers and seeds (phanerogamic plants

Define about the growth and development in children, Define about the Growt...

Define about the Growth and development in children? Growth and development in children can be studied under the following heads: . • Changes in physical development and bod

Protozoa, classification sketch of protozoa

classification sketch of protozoa

Intestinal phases of the ascaris infestation, Q. What are the main symptoms...

Q. What are the main symptoms of the pulmonary and of the intestinal phases of the ascaris infestation? In the pulmonary period the ascaris infestation causes hemoptysis, cough

X linked in the calico cat, A calico female has a litter of kitten which in...

A calico female has a litter of kitten which includes several calico females a yellow male a couple of yellow females and two black males what is the likely color of the father and

Candidiasis, Candidiasis Candidiasis (Moniliasis) is a disease of man, ...

Candidiasis Candidiasis (Moniliasis) is a disease of man, animals and birds and is caused chiefly by Candida albicans. Crop mycosis (thrush) of poultry is caused by C. albicans

Differences between vertebrates and the other chordates, What are the diffe...

What are the differences between vertebrates and the other chordates? Vertebrates are dissimilar because they have a spinal column (vertebral column). In these animals the noto

Draw a graph for an iv multiple infusion of a drug, Draw A graph for an IV ...

Draw A graph for an IV multiple infusion of a drug, and label on the graph where the trough (predose) blood draw would be collected and where the peak (postdose) blood draw would b

Explain the role of bones in human biology, Explain the role of Bones in hu...

Explain the role of Bones in human biology? Bone is covered by a tough outer membrane called the periosteum. The periosteum contains systems of capillaries that supply the bone

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