visual system

Question 2

The optic nerve is formed by — — — axons

Answer 2

The optic nerve is formed by retinal ganglion cell axons

Question 3

Light travels through the pupil to the back of the eye where the —- is

Answer 3

Light travels through the pupil to the back of the eye where the retina

Question 4

bipolar, horizontal & amacrine cells

Answer 4

Inner Nuclear Layer

Question 5

tf INL is b/n IPL amd OPL

Answer 5

T

Question 6

Ganglion cell axons

Answer 6

form optic n.

Question 7

metabolically supports photoreceptors - absorbs stray light particles

Answer 7

RPE

Question 8

cell bodies of rods and cones

Answer 8

Outer Nuclear Layer

Question 9

Answer 9

Question 10

Answer 10

Question 11

Answer 11

Question 12

Answer 12

Question 17

anatomical and physiologic properties

Answer 17

group ganglion cells

Question 18

M (or Y) ganglion cells

Answer 18

largest of the ganglion cells

Question 19

extensive dendritic arbors and large receptive fields

Answer 19

M (or Y) ganglion cells

Question 20

M or Y ganglion cells are predominantly found in the —– of the retina and mainly receive input from —

Answer 20

M or Y ganglion cells are predominantly found in the periphery of the retina and mainly receive input from rods

Question 21

P (or X ) ganglion cells

Answer 21

central retina

Question 22

The optic nerve exits the orbit, traverses the —– canal and emerges into the —- cranial fossa

Answer 22

The optic nerve exits the orbit, traverses the optic canal and emerges into the middle cranial fossa

Question 23

Optic Nerves

Answer 23

(axons of retinal ganglion cells)

Question 24

input from cones

Answer 24

P (or X ) ganglion cells

Question 25

P (or X ) ganglion cells

Answer 25

smaller gang cells

Question 26

small dendritic arbors and small receptive fields

Answer 26

smaller, P (or X ) ganglion cells

Question 27

variety of receptive field sizes and physiologic responses.

Answer 27

W cells (gang cells)

Question 28

Area of overlap of the two visual fields (purple)

Answer 28

binocular vision

Question 29

partial crossing

Answer 29

visual information from the left visual field is conveyed in the right optic tract

Question 32

goes to left temporal eye

Answer 32

nasal right visual field

Question 33

goes 2 R temporal eye

Answer 33

Left nasal visual field

Question 34

LGN to V1

Answer 34

optic radiation

Question 35

tf optic chiasm to only lateral geniculate nucleus (LGN)

Answer 35

f also goes to superior colliculus and pretectum

Question 38

right visual fields

Answer 38

use the left LGN

Question 39

Left optic ract

Answer 39

used by right visual field

Question 40

Area 17

Answer 40

Primary Visual Cortex

Question 41

6 layers

Answer 41

LGN

Question 42

large cells;

eceive information about movement and contrast from M-cells

Answer 42

Magnocellular layers

Question 43

1 and 2 of LGN

Answer 43

•Magnocellular layers

Question 44

Parvocellular layers

Answer 44

small cells;

receive information about form and color from P-cell

Question 45

3-6 of LGN

Answer 45

Parvocellular layers

Question 46

Optic tract fibers are segregated by eye in the

Answer 46

LGN

Question 47

— LGN layers receive fibers from the —— eye and — layers receive fibers from the —— eye

Answer 47

Three LGN layers receive fibers from the contralateral eye and 3 layers receive fibers from the ipsilateral eye

Question 48

the upper visual field contribute to the —- optic radiations, and terminate in the —- aspect of V1

Answer 48

the upper visual field contribute to the inferior optic radiations, and terminate in the inferior aspect of V1

Question 49

calvarian fissure

Answer 49

separates upper and lower visual field of V1