COM 1 Cytology week 4 Flashcards
1
Q
What is each eye cushioned with
A
- Adipose tissue
2
Q
What helps to focus the light in eyes
A
- Transparent tissues
3
Q
Name the 3 main eye layers
A
- External fibrous layer
-Middle vascular layer
-Inner sensory layer
4
Q
What does the external fibrous layer include
A
- Includes sclera and cornea
5
Q
What does the middle vascular layer contain
A
- Choroid, ciliary body and iris
6
Q
What is the inner sensory layer + function
A
- The retina, which connects to the the brain via the optic nerve
7
Q
Explain the structure of lens
A
- Transparent, biconvex structure, held by zonular fibers
8
Q
Explain the structure of the iris + function
A
- The pigmented part that surrounds the pupil
- Controls light entry
9
Q
What is the aqueous humor
A
- Fluid in anterior and posterior chambers
10
Q
What is the vitreous Body
A
- Gel like substance in the posterior vitreous chamber
11
Q
Where is the vitreous body located
A
- Behind the lens
