What is optic chiasma, Biology

Assignment Help:

What is Optic Chiasma

 This structure makes upto portion of the anterior inferior floor of the third ventricle. It is shaped like a flat oblong bridge and connects the optic nerves and optic text. The optic chiasma is richly vasculmizcd and is approximately 8 mm long, 12 mm wide and 4mm thick. In 80 percent of cases the optic chiasma lies over the diaphragma sellae (centralchiasma). Macular projects are located centrally in optic nerve and nialte up 80-90 per cent of the total voluine of Lhe optic nerve and the chiasma fibres. Nasal mascular fibres cross in the posterior portion of the chiasma.

 


Related Discussions:- What is optic chiasma

What are yeast, Q. What are yeast? Yeasts are unicellular fungi, which ...

Q. What are yeast? Yeasts are unicellular fungi, which are widely distributed in nature. They are somewhat larger than bacteria. The cell length is about 10μm and the diameter

Difference between cerebrum and brain, Q. What is the difference between ce...

Q. What is the difference between cerebrum and brain? What are the major parts of these structures? The concept of brain or encephalon comprehends the cerebrum mostly referred

Define role of iron in controlling gene expression, Define Role of Iron in ...

Define Role of Iron in Controlling Gene Expression? Iron metabolism is regulated by a complex co-ordinate mechanism. Recent evidence supports specific past-transcriptional mech

Advantages of vegetative propagation, Advantages of vegetative propagation ...

Advantages of vegetative propagation Vegetative propagation helps to maintain fixed qualities and characteristic features of the parent plant. For Example in ornamental p

Concept of reproductive isolation and the concept of species, What is the r...

What is the relationship between the concept of reproductive isolation and the concept of species? The Reproductive isolation is an important concept because it defines the con

Protect a species from extinction, In what ways can we try to protect a spe...

In what ways can we try to protect a species from extinction? We can attempt to protect species from extinction by making it illegal to kill the threatened animals or uproot o

Population and sigmoid curve, Name two possible why the number of live bact...

Name two possible why the number of live bacteria cell have reached the stationary growth by 60hrs and start to die off after 12hrs?

Determine number of sucrose molecules in the solution, Determine number of ...

Determine number of sucrose molecules in the solution When a solid is dissolved in a volatile solvent the vapour pressure of the solution is less than the vapour pressure of th

Explain lipids, Explain lipids? Lipids : Lipids function as energy-sto...

Explain lipids? Lipids : Lipids function as energy-storing molecules such as fats and oils, protective waxes, digestive tract lubricants, heat insulation such as whale blubber

Complications in gastric ulcers, Q. Complications in Gastric ulcers? Pe...

Q. Complications in Gastric ulcers? Peptic ulcers if not managed properly can result in serious consequences which can even be life threatening. The complications involved in

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