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20 Cards in this Set
- Front
- Back
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what is the patellar fossa
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The center of the vitreous where the lens sits
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Where 2 places do viteous attaches
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non-pigmented epithelium of the ciliary body and ILM of repipheral retina
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What does the hyaloideocapsular ligament or retrolental ligament (Wieger's ligament) do?
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forms attachment between posterior surface of lens and anterior face of vitrous
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What is the retrolental space of Berger
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potential space between lens and vitreous
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T or F vitreous contains collagen type III
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False- Collagen type 2
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What is teh peripapillary adhesion
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ring around the Optic nerve
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What is teh premacular hole
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area around macula where no vitreal attachments are present but there are at a higher concentration outside of this hole.
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T or F the vitreous does not attach to the optic nerve and has a hole
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True
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T or F the vitreous is connected to vessels in retin and can pull on retina
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True
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What is teh vitreous cortex
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outermost hyaloidal surface; outermost layer of vitreous
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Is the anterior or posterior cortex adjacent to ciliary body posterior chamber and lens
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anterior cortex
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Where in vitreous would you find firm unbranched fibers that run parallel to Clopquet's canal
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intermediate zone
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T or F the cloquet's canal is called the hyaloid channel in the retrolental tract
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True
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T or F the vitreous is comprised of soluble collagen meshwork in preteoglycan matrix
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False - An insoluble meshwork in proteoglycan matrix
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T or F hyaluronic acid is composed of proteoglycans, core proteins (condroitan and heparin sulfate, GAG's, and type II collagen
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False Type II collagen not included
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T or F vitreous functions as storage / movement area for lipids, carbs, and metabolites
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False- only carbs and metabolites
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______'s are formed when HA/ collagen complex is disrupted and aggregates into bundle
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floater
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T or F the vitreous becomes more gel like with age
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False more liquid like
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______'s are formed when HA/ collagen complex is disrupted and aggregates into bundle
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floater
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Where would the vitreous pull away from teh retinal ILM
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the prepapillary ring
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