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

Briefly explain about pickled vegetables, Briefly explain about Pickled veg...

Briefly explain about Pickled vegetables These are produced by spontaneous lactic acid fermentation. Fermentation improves the digestibility and wholesomeness  of the product.

Describe in brief about retina, Describe in brief about retina The reti...

Describe in brief about retina The retina is a highly complex layer of nervous tissue. The photoreceptors are rods and cones for scotopic and photopic vision respectively. The

Skeletal system - girdles, GIRDLES - (i ) PECTORAL GIRDLE - ...

GIRDLES - (i ) PECTORAL GIRDLE - 4 bones. It is located on posterolateral part of upper region of the throax. It consists of scapula & clavicle. Scapula is placed

What do you mean by proteinuria, Q. What is proteinuria? Why is proteinuria...

Q. What is proteinuria? Why is proteinuria a sign of glomerular renal injury? Proteinuria means losing of proteins through urine under normal conditions proteins are too big to

Types of amoeboid movements, Types of Amoeboid Movements As the amoeba...

Types of Amoeboid Movements As the amoeba's cell body throws out one or a few pseudopodial lobes, a temporary rear end or uroid is pulled along. The central, more fluid protop

Water potential, why psi g is ignored in water potential of plants?

why psi g is ignored in water potential of plants?

Stimulents, STIMULENT S - It makes a person more wakeful, alert and ac...

STIMULENT S - It makes a person more wakeful, alert and active. (i) Caffeine ( C 8 H 10 N 4 O 2 ) - It is 1,3,7-trimethylxanthine obtained from tea leaves ( Thea si

Why plant life cycle known as alternation of generation, Why is the plant l...

Why is the plant life cycle known as alternation of generations? The plant life cycle is called as alternation of generations because in this cycle there are two dissimilar for

Misuse of biology, MISUSE OF BIOLOGY - Biological achievements are used...

MISUSE OF BIOLOGY - Biological achievements are used against human race, e.g. 1 .       Bioweapons anitbiotic resistant infective micro-organism are used in wars. e.g., A

Infants with maple syrup urine disease, Q. Infants with maple syrup urine d...

Q. Infants with maple syrup urine disease? Infants with MSUD appear normal at birth. Once they are fed on protein containing feed, they start showing the classic symptoms. Neur

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