Human Eye Plaque Model

#10) Lateral Rectus Muscle: moves eye laterally

A

#18) Ciliary Body: contains the ciliary muscle & ciliary process

B

Anterior Segment: contains anterior & posterior chambers

C

Aqueous Humor: nourishes internal eye

D

#1) Cornea: refracts light

1

#5) Lens: refracts light

5

#16) Retina: vision

16

#9) Medial Rectus Muscle: moves eye medially

9 (H)

#6) Vitreous Humor: helps keep retina in place (against wall of eyeball)

6 (I)

#12) Optic Nerve: CN#2, transmits visual signals from optic disc

J

#11) Sclera: helps maintain eyeball shape

K

#14) Choroid: vascularizes eye

14 (L)

Posterior Segment: contains vitreous humor

M

#18) Ciliary Body: contains the ciliary muscle & ciliary process

18 (A)

#4) Posterior Chamber: contains aqueous humor

4

#8) Conjunctiva: secretes mucus to lubricate eye

8

#31) Sphincter and Dilator Pupillae Muscles

31 (D)

Pupil: lets light enter eye

E

#2) Anterior Chamber: contains aqueous humor

F

#1) Cornea: refracts light

G

#32) Iridial Arteries

32

#7) Limbus

7

#11) Sclera: helps maintain eyeball shape

J

#21) Ciliary Muscle: helps change lens shape

21

#20) Suspensory Ligaments: attaches lens + ciliary processes

L

#30) Iridial Retina

M

#17) Ora Serrata

17 (N)

#19) Ciliary Processes: secretes aqueous humor

19 (O)

#5) Lens: refracts light

P

#20) Suspensory Ligaments: attaches the lens & ciliary processes

Q

#4) Posterior Chamber: contains aqueous humor

R

#22) Anterior Ciliary Arteries

22

#28) Superior Central Vein of the Retina: drains into superior ophthalmic vein

28 (A)

#6) Vitreous Humor: helps keep retina in place (against wall of eyeball)

B

Retina: vision

C

#28) Inferior Central Artery of the Retina: supplies retina’s inner layers

28 (D)

#28) Inferior Central Vein of the Retina: drains into superior ophthalmic vein

28 (E)

#9) Medial Rectus Muscle: moves eye medially

9

#26) Vorticose Vein

26

#29) Choroid Capillaries

H (29)

#23) Posterior Ciliary Arteries

23

#12) Optic Nerve: CN#2, transmits visual signals from optic disc

J

Choroid: vascularizes eye

K

#35) Fovea Centralis: provides sharp central color vision

L

#34) Macula Lutea: area of high cone density in retina

M

#28) Superior Central Artery of the Retina: supplies inner layers of the retina

28 (N)

Choroid: vascularizes eye

A

#13) Dural Sheath

13 (B)

Arachnoid Mater

C

#28) Central Artery and Vein of the Retina: supplies retina’s inner layers

28

#12) Optic Nerve: CN#2, transmits visual signals from optic disc

12 (E)

#13) Dural Sheath

13

#33) Arachnoid Mater

33

#23) Posterior Ciliary Arteries

23

#29) Choroid Capillaries

I

#36) Blind Spot: total insensitivity to light

36 (J)

#44) Macular Zone: the center of direct vision

44

Optic Nerve: CN#2, transmits visual signals from optic disc

37 (B)

#38) Ganglion Cell Layer: receives depolarizing potentials from bipolar cells

38 (C)

#39) Bipolar Cell Layer: sends depolarizing signals to RGCs in light

39 (D)

#40) Rods and Cones Cells Layer of the Retina: photoreceptor layer

40 (E)

#41) Rod Cell: no color, dim light & peripheral vision

41

#42) Cone Cell: color, bright light, & sharp central vision

42

Pigmented Layer of the Retina: absorbs excess light

H