Retina: 1. Basic Anatomy

Question 0

patellar fossa

Answer 0

term for the retrolental indentation of the anterior vitreous

Question 1

ligament of Wieger

Answer 1

term for circular point of attachment between the anterior cortical gel and the posterior capsule

Question 2

Berger space

Answer 2

potential space between the lens and the anterior cortical vitreous bordered by the Wieger ligament

Question 3

3 mm

Answer 3

how far posterior to the ora serrata does the vitreous base insert

Question 4

annular space

Answer 4

the ringlike zone between the vitreous base and lens important for the diffusion between the aqueous and vitreous compartments

Question 5

area of Martegiani

Answer 5

zone of attachment between the collagenous vitreous and the disc

Question 6

1.5 mm

Answer 6

diameter of the fovea (centralis)

Question 7

0.35 mm

Answer 7

diameter of the foveola (in mm)

Question 8

margin, declivity, foveola

Answer 8

three parts of the fovea

Question 9

0.15 mm

Answer 9

diameter of the umbo (in mm)

Question 10

perifovea-parafovea-fovea-FAZ-foveola-umbo

Answer 10

list these in order from largest to smallest: FAZ, fovea, foveola, perifovea, parafovea, umbo

Question 11

2.5 mm

Answer 11

outer diameter of the parafovea

Question 12

5.5 mm

Answer 12

outer diameter of the perifovea

Question 13

perimeter

Answer 13

word that helps you remember that the perifovea is the most peripheral portion of the macula

Question 14

near periphery

Answer 14

region comprising a ring of 1.5 mm around the temporal arcades

Question 15

near periphery, equatorial retina, peripheral retina, ora serrata

Answer 15

four regions of the extra-areal periphery

Question 16

meridional complex

Answer 16

term for a meridional fold aligned with a ciliary process

Question 17

INL, OPL

Answer 17

between which two layers is the MLM situated?

Question 18

near periphery

Answer 18

specify the region where the rods are densest

Question 19

midget bipolar cell

Answer 19

type of bipolar cell that synapses one-to-one with cone cells

Question 20

sudden changes in light intensity, presence of certain sizes of stimuli

Answer 20

two stimuli to which amacrine cells especially respond

Question 21

radial peripapillary network, superficial plexus, deep plexus, choriocapillaris

Answer 21

four layers of capillaries that supply the retina

Question 22

5%

Answer 22

percentage of the oxygen used by the fundus that is supplied by the retinal vasculature

Question 23

dawn

Answer 23

when do rods shed their discs?

Question 24

dusk

Answer 24

when do cones shed their discs?

Question 25

Haller layer

Answer 25

layer of large-caliber choroidal vessels in the choroid

Question 26

Sattler layer

Answer 26

layer of smaller-caliber choroidal vessels in the choroid