Week 9 Flashcards

1
Q

what is the ciliary body in

A

uvea

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2
Q

what are the properties of ciliary body

A

pigmented
triangular shape

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3
Q

what is the ciliary body seperated into

A

pars plana = flat part
pars plicata = pleated part

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4
Q

what are the layers of ciliary body

A

superciliaris
stroma

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5
Q

3 types of muscle

A

longitudinal fibers
radial fibres
circular fibers

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6
Q

how is the ciliary body adapted for aqueous humour to be made

A

lots of blood vessels to allow aqeuous humour to be made

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7
Q

two layers of epithelium in ciliary body

A

pigmented
unpigmented

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8
Q

what is the main artery in the ciliary body

A

arterial - major arterial circle

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9
Q

what is the main vein in the ciliary body

A

vortex veins

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10
Q

what are the properties of the aqeuous humour

A

low viscosity
transparent
provides pressure
100 min to be produced and drain away

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11
Q

what is the ciliary process anatomical structure

A

zonular fibres
pigmented epithelium
unpigmented epithelium
stroma
blood vessels

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12
Q

what are the 3 secretion processes

A

secretion
ultrafiltration
dialysis

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13
Q

what is secretion

A

active pumps move Na+ ions out across the double epithelium layer to posterior chamber causing water to move via osmosis

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14
Q

ultrafiltration

A

salts are forced through by a pressure gradient

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15
Q

what is dialysis

A

small particles pass through the membrane but larger retained in ciliary processes

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16
Q

what is a krunkenberg spindle

A

buildup of deposits from the way aqueous flows

17
Q
A