Customer Service Chat
Get quote & make Payment
Eyeball - choroid, Biology
Thin, net like made up of connective tissue, rich in blood vessels.
Pigment present, red in rabbit, brown or black in man. It reduces internal reflection.
Except cornea this layer is attached to sclerotic.
In front of cornea this layer froms a thin coloured partition i.e.
iris. IRIS -
It is perforated in the middle by an aperture pupil. Iris is highly muscular
r and radial muscles are present. Circular muscles are sphincter type. Radial muscles are dilator type.
On contraction of circular muscles diameter of pupil is reduced it is
myosis, it takes place in sharp light.
On contraction of radial muscles diameter of pupil is increased, it is
mydriosis, it occurs in dimlight.
Atropine is used to dialate pupil.
Basal part of iris is highly muscular having circular, radial and obligue muscles. It is known as
On its free surface 70 - 80 cilliary processes present secretes aquous humour in aquous chamber.
Cilliary body also affects convexity of lens.
Posted Date: 10/3/2012 4:13:10 AM | Location : United States
Ask an Expert
Eyeball - choroid, Assignment Help, Ask Question on Eyeball - choroid, Get Answer, Expert's Help, Eyeball - choroid Discussions
Write discussion on Eyeball - choroid
Your posts are moderated
Write your message here..
Explain the characteristics of agar- agar, Explain the Characteristics of A...
Explain the Characteristics of Agar- Agar? There are many characteristics, which make agar-agar, an ideal solidifying agent. These are: (a) It has high gel strength, so it c
What are lateral meristems, What are lateral meristems? Where can they be f...
What are lateral meristems? Where can they be found and which type of plant growth do they promote? Lateral, or secondary, meristems, are the cambium and the phellogen (also ca
What are the symptoms of dyslipidemia, Q. What are the Symptoms of dyslipid...
Q. What are the Symptoms of dyslipidemia? The main symptom is presence of xanthoma: This is a yellowish swelling, nodule or plaque in the skin resulting from deposits of fat. T
Explain the cori cycle, The Cori cycle a) Pyruvate formed from glucos...
The Cori cycle a) Pyruvate formed from glucose is converted to lactate by lactate dehydrogenase in the muscle cell. b) Lactate is released into the blood and taken up b
What is the difference between red and white blood cells, Q. What is the di...
Q. What is the difference between red and white blood cells? What are leukocytes? White blood cells are the leukocytes and Red blood cells are erythrocytes. Leukocytes are p
Gastrointestinal tract function , Gastrointestinal Tract Function: As...
Gastrointestinal Tract Function: As a result of burn injury acute gastric dilation occurs, creating abdominal distention and regurgitations. Malabsorption occurs secondary
Explain the properties locust bean gum, Explain the Properties Locust bean ...
Explain the Properties Locust bean gum Locust bean gum is slightly soluble in room temperature water and must be heated to 75 to 85 o C for complete hydration and viscosity dev
How arab influence on the development of anatomy, Please on 3 separate para...
Please on 3 separate paragraph a. Examine the contributions of select scientists from the Greek and Roman period. b. Explore the Arab influence on the development of anatomy
What is st heart rate index, Q. What is ST Heart Rate Index? To calcula...
Q. What is ST Heart Rate Index? To calculate the index, the maximum ST depression is divided by the Delta heart rate (difference between the resting and maximum heart rate). As
Flame cells, where are flame cells present?
where are flame cells present?
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Terms & Conditions
Copyright by ExpertsMind IT Educational Pvt. Ltd.