3 Aqueous & Vitreous Humor

Question 1

The aqueous humor resembles blood plasma in composition, but has less _______ and more _______

Answer 1

Protein, glucose

Lactic acid and ascorbic acid

Question 2

What provides the avascular cornea and lens with its necessary metabolites?

Answer 2

Aqueous humor

Question 3

Where’s the aqueous humor produced? Secreted?

Answer 3

Pars plicata of ciliary body

Secreted into posterior chamber by way of non-pigmented epithelium of the ciliary process. 0.2ul/100minutes

Question 4

The function of ____ is that it’s a Vitamin C antioxidant agent that fights bacterial infections, detoxifying rxns, and forms collagen in fibrous tissue

Answer 4

Ascorbic acid

Question 5

What are the three MAIN components of aqueous humor?

Answer 5

Bicarbonates

Ascorbic acid

Glucose

Question 6

Vitreous is HIGHLY transparent because it’s __% water. Is a dilute solution of salts, soluble proteins, and ______ acid all contained within the meshwork of an insoluble protein, _____

Answer 6

99%

Hyaluronic

Collagen

Question 7

What are the 4 major metabolites in the vitreous humor?

Answer 7

Magnesium
Copper
Zinc
Selenium

Question 8

The non-pigmented epithelium involved in production of macromolecules for the vitreous humor is found in the ______ ____

Answer 8

Pars plana (of ciliary body)

Question 9

Vitreous humor:

The most collagen is found in the ____ while the lowest is in the ______.

Are they irregularly placed or uniform?

Answer 9

Vitreous base. (MOST BASSS)

CENTER (lowest)

Uniform! (That’s why it’s clear)