Vitreous
4.4 mL
What areas is collagen most dense to least dense? (4)
Vitreous base > posterior cortex > anterior cortex > center
Attached to ora serrata?
Vitreous base
What are the three vitreal zones from outermost to innermost?
1. Vitreous cortex (hyaloid surface)
2. Intermediate zone
3. Cloquet's Canal (hyaloid channel or retrolental tracts)
A molecular breakdown of hyaluronic acid and collagen results in?
Vitreous syneresis/liquefecation
Patellar fossa
What is hyaluronic acid made of? What cells make it?
Hydrophilic glycosaminoglycan
Hyalocytes
Hyaloideocapsular ligament (of Weiger) (retrolental ligament)
What shape does cloquet's canal have?
S shaped
lacunae
How much of the entire globe is taken up by the vitreous humor?
about 80%
What two components of the vitreous give it its gel like structure?
Retrolental space (of Berger)
Cloquet's canal is the former site of what?
Hyaloid artery system
Collagen fibrils coalescing are called?
What area of the eye produces and secretes connective tissue macromolecules via active and passive diffusion?
Epithelium of pars plana
What is the purpose of vitamin C in the vitreous?
Protects the retina from free radicals
What two substances act as molecular glue between the vitreous and the innermost retinal layer?
Laminin and fibronectin
Where Cloquet's canal ends at the optic nerve
Area of Martegiani
Weiss ring
98.5-99.7%
Where are macrophages found?
Near retinal blood vessels
In order, what are the strongest to weakest vitreal attachments?
Vitreous base
Posterior lens
Optic disc
Macula
Retinal vessels
True or false: Cloquet's canal is hollow
False, it is gel filled
How many licks does it take to get to the tootsie roll center of a tootsie pop?
(sorry I ran out of questions lol)