Describe about the extra-ocular muscles, Biology

Assignment Help:

Describe about the extra-ocular muscles

The eye is comprised of extra-ocular and intra-ocular muscles. The extra-ocular muscles are comprised of 4 recti and 2 obliques. The rectus muscles originate in the common tendinous ring that is attached at the apex of the orbit around the optic foramina and medial part of the superior orbital fissure. The nerve supply for the lateral rectus (LR) is by the 6th cranial nerve, the superior oblique (SO) by the 4th cranial nerve and all other extra-ocular muscles are supplied by the 3rd nerve. The intra-ocular muscles include the sphincter pupillae, the dilator pupillae, and the ciliary

 

 

 

 


Related Discussions:- Describe about the extra-ocular muscles

Determine different varieties of the same phenotypical trait, For an indivi...

For an individual having a genotype formed of two different alleles that condition different varieties of the same phenotypical trait, upon what will the phenotypical feature actua

CONNECTING LINKS, HOW SHOULD I PREPARE AN INVESTIGATORY REPORT ON CONNECTIN...

HOW SHOULD I PREPARE AN INVESTIGATORY REPORT ON CONNECTING LINKS AS AN EVIDENCE OF EVOLUTION

What are the three periods into which interphase, Q What are the three peri...

Q What are the three periods into which interphase are divided? Interphase is the preceding phase to the mitotic division. It is divided into three periods, G1, S and G2 the le

Types of community, Types of Community On the basis of size and degree ...

Types of Community On the basis of size and degree of relative independence communities may be divided into two types: i) Major Community: These are large-sized, well org

Define contractile protein - biological functions of protein, Define Contra...

Define Contractile Protein - biological functions of protein? These proteins take part in contractile processes like muscle proteins also those found in other cells and tissues

Single vessel disease, Single Vessel Disease (SVD) :  They do well on medi...

Single Vessel Disease (SVD) :  They do well on medical treatment or with angioplasty. However if proximal LAD is significantly blocked and LIMA can be used as a conduit, surgery g

Explain the chemical properties of milk, Explain the chemical properties of...

Explain the chemical properties of milk Autoclaving milk, wherein temperature of around 121 o C is achieved, causes browning. The brown colour is due to the heat effecting an i

History of ecology, History of Ecology The roots of ecology lie in Natu...

History of Ecology The roots of ecology lie in Natural History, which is as old as human civilisation itself. As a matter of fact man indulged in ecology in a practical sort of

What are the amphibian features, Q What are the amphibian features that mak...

Q What are the amphibian features that make them dependent on water to survive? Permeable skinexternal fecundation, body subject to dehydration, larval stage and eggs without s

Steps involved in using bacteria to produce human insulin, Outline the step...

Outline the steps involved in using bacteria to produce human insulin. The gene for insulin is 'cut' from the appropriate strand of DNA using restriction enzymes. Plasmids are

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