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

Taxonomy, What category do pisces, mammalla, amphibia, reptilia and aves fa...

What category do pisces, mammalla, amphibia, reptilia and aves fall into

Mature embryo, Mature Embryo A typical dicotyledonous embryo, as seen ...

Mature Embryo A typical dicotyledonous embryo, as seen in a median longitudinal section, consists of an embryonal axis having two broad cotyledons. The portion of embryonal ax

Characteristics of the five-kingdom classification, Characteristics of the ...

Characteristics of the Five-Kingdom classification At present, as you know, the trend is to follow the five-kingdom classification. However, while accepting the Five-Kingdom C

Classification and justification of hemichordata, Q. Classification and Jus...

Q. Classification and Justification of hemichordata? Kingdom Animalia Animals; multicellular organisms with cells that lack a cell wall, many capable of inovement or movement o

Explain briefly about vitamin B12, Vitamin B 12 (Cyanocobalamin) Vitam...

Vitamin B 12 (Cyanocobalamin) Vitamin B 12 refers to a group of Cobalt-containing corrinoids known as cobalamins. It is also called antipernicious- anemia factor, extrinsic f

Explain methodology required for osazone test, Explain Methodology Required...

Explain Methodology Required for Osazone Test? Take about 250-300 mg of phenylhydrazine mixture in the 3 clean labelled 15 ml dry test tubes. Add 5 ml of the glucose, fructose

Into which classes are mollusc divided, Into which classes are mollusc divi...

Into which classes are mollusc divided? What are some representing beings of each class? The phylum Mollusca is separated into five major classes: pelecypods, or bivalves (Pele

What is the function of keratin in the epidermis, What is the function of k...

What is the function of keratin in the epidermis? The epidermis is the outer layer of the skin made of epithelial tissue. In the epidermis there are keratin-secreting cells (ke

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