Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BCSE Microanatomy I > Final Exam - Eye Histology > Flashcards

Final Exam - Eye Histology Flashcards

1
Q

The eyeball is located in the skull’s bony socket called the ___________.

A

orbit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

List the accessory ocular structures, also known as the ADNEXA

A
  1. Palpebrae (eyelids)
  2. Third eyelid and conjuctiva
  3. Lacrimal apparatus

If you’re buying accessories from woman, you have to remember to _P_ay _T_he _L_ady

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The eye is composed of:

A

1 lens and 3 tunics (fibrous tunic, vascular tunic, retina)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The fibrous tunic of the eye is composed of:

A
  1. Sclera
  2. Cornea
  3. Limbus

The fibrous layer is that _S_tupid _C_orneal _L_ayer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The vascular tunic of the eye is composed of:

A
  1. Iridocorneal angle
  2. Iris
  3. Ciliary body
  4. Choroid

The vascular tunic _I_s _I_n _C_hris’s _C_ranium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the neuro-epithelial tunic composed of?

A

the retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the functions of the sclera?

A
  • protects the eye
  • maintains the shape of the eye
  • provides insertion points for tendons of extraocular muscles
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Identify the area of the eye indicated by the box.

A

The cornea

The cornea is the anterior portion of the eye. This is an avascular, transparent convexconcave lens.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The _________ is the anterior portion of the eye. This is an avascular, transparent convexconcave lens

A

The cornea is the anterior portion of the eye. This is an avascular, transparent convexconcave lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The cornea is comprised of ___ layers? (how many)

Name the layers!

A

The cornea is comprised of 5 layers.

  1. anterior corneal epithelium
  2. anterior limiting lamina/subepithelial basement membrane, supporting the lining epithelium
  3. Substantia propria - stroma of cornea
  4. Posterior limiting lamina/membrane - Descemet’s membrane, supporting the epithelium
  5. Posterior epithelium of cornea - corneal endothelium

5** _A_ssholes _A_re _S_elling _P_arty **Pills in the corn(ea) field

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Identify ‘1’ in this H&E section of the cornea.

A

anterior corneal epithelium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Identify ‘5’ in this H&E section of the cornea.

A

Posterior epithlieum of the cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Identify ‘1’ in this H&E section of a rat cornea.

A

Anterior corneal epithelium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Identify ‘2’ in this H&E section of a rat cornea.

A

Anterior limiting membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Identify ‘3’ in this H&E section of a rat cornea.

A

Stroma (substantia propria)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Identify ‘4’ in this H&E section of a rat cornea.

A

Descemet’s membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Identify ‘5’ in this H&E section of a rat cornea.

A

Posterior epithelium (corneal endothelium)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

__________ is the corneoscleral junction where the opaque sclera overlaps the transparent cornea. This area has small blood vessels.

A

Limbus is the corneoscleral ​junction where the opaque sclera overlaps the transparent cornea. This area has small blood vessels.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Identify the structure indicated by the arrow.

Which tunic is this found in?

A

Limbus, found in the fibrous tunic.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

inflammation of structures in the uvea (the vascular tunic of the eye) is known as ___________.

A

Uveitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

In the vascular tunic (uvea), the ________ is located anterior to the lens and separates the anterior and posterior chambers.

A

In the vascular tunic (uvea), the iris is located anterior to the lens and separates the anterior and posterior chambers.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

In the vascular tunic (uvea), the ________ suspends the lens, contains smooth muscle for accommodation; has processes covered by secretory epithelium.

A

In the vascular tunic (uvea), the ciliary body suspends the lens, contains smooth muscle for accommodation; has processes covered by secretory epithelium.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

In the vascular tunic (uvea), the ________ is the vascular supply to the optical retina. Contains pigment.

A

In the vascular tunic (uvea), the choroid is the vascular supply to the optical retina. Contains pigment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The _______ is the region where the transparent cornea merges with the vascular sclera

A

The limbus is the region where the transparent cornea merges with the vascular sclera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The ______ is the shutter of the eye

A

The iris is the shutter of the eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

__________ and __________ control amount of light to which the retina is exposed.

A

Dilator and sphincter pupillae muscles control amount of light to which the retina is exposed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Pigment or iridial melanin present in the stromal cells determines ________.

A

Pigment or iridial melanin present in the stromal cells determines eye color.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The iris forms half of ____________, also called filtration angle and drainage angle.

A

The iris forms half of IRIDOCORNEAL ANGLE, also called filtration angle and drainage angle.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

__________ is an inherited congenital disorder, characterized by a partial or total lack of melanin pigment in the eyes, skin and hair or more rarely in the eyes alone

A

Albinism is an inherited congenital disorder, characterized ​by a partial or total lack of melanin pigment in the eyes, skin and hair or more rarely in the eyes alone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Identify ‘B’ in this H&E section of the eye.

A

iris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Identify ‘A’ in this H&E section of the eye.

A

ciliary processes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Identify ‘B’ in this H&E section of the eye.

A

Iris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Identify ‘C’ in this H&E section of the eye.

A

posterior chamber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Identify ‘D’ in this H&E section of the eye.

A

anterior chamber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Identify ‘E’ in this H&E section of the eye.

A

corneal epithelium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Identify ‘F’ in this H&E section of the eye.

A

limbus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Identify ‘G’ in this H&E section of the eye.

A

fornix

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

The _________ is an anterior expansion of the choroid at the level of the lens with mechanical and secretory functions.

A

The ciliary body is an anterior expansion of the choroid at the level of the lens with mechanical and secretory functions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Identify ‘1’ in this H&E section of the eye.

A

body of lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Identify ‘3’ in this H&E section of the eye.

A

ciliary processes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Identify ‘1’ in the ciliary body.

A

ciliary processes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Identify ‘2’ in the ciliary body.

A

zonular fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

An increase in intraocular pressure is referred to as ___________.

A

An increase in intraocular pressure is referred to as glaucoma.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

List the drainage pathway of the Aqueous Humor.

A

Posterior chamber –> through pupil –> anterior chamber –> iridocorneal angle –> past pectinate ligaments –> scleral venous plexus

I find it humorous that People Pay Assholes Instead of Paying Strippers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

The __________ is a thick, highly vascularized layer that in its anterior part is continuous with the stroma of the ciliary body and extends posteriorly around the globe.

A

The choroid is a thick, highly vascularized layer that in its anterior part is continuous with the stroma of the ciliary body and extends posteriorly around the globe.

46
Q

The outer/external side of the choroid is connected to the __________.

A

sclera

47
Q

The inner side of the choroid is attached to the __________.

A

pigmented epithelium of the retina

48
Q

Choroid is composed of ___ layers? (how many)

List ‘em, fool!

A

Five (5)

  1. Suprachoroid layer
  2. Vascular layer
  3. Tapetum lucidum
  4. Choriocapillary layer -
  5. Basal complex (Bruch’s membrane)

5** years ago, _S_uperman _Video-T_aped _C_hris’s **Band

49
Q

Which layer of choroid is a light reflecting layer that can be of either cellular or fibrous type. (This layer is absent in swine)

A

Tapetum lucidum

50
Q

__________ is the layer of choroid that separates choroid from retina

A

Basal complex (Bruch’s membrane)

51
Q

___________ is the layer of choroid that is a dense network of capillaries adjacent to pigmented layer of retina.

A

Choriocapillary layer

52
Q

The ____________ minimizes internal reflections and increases light perception under conditions of poor illumination→ increased acuity of vision.

A

Tapetum lucidum

53
Q

Identify ‘A’ in this section of the canine eye.

A

choroidal vessels

54
Q

Identify ‘B’ in this section of the canine eye.

A

choroidal pigment

55
Q

Identify ‘C’ in this section of the canine eye.

A

cellular tapetum

56
Q

Identify ‘A’ in this section of the eye.

A

choroid

57
Q

Identify ‘B’ in this section of the eye.

A

retina

58
Q

Identify ‘C’ in this section of the eye.

A

fibrous tapetum

59
Q

Identify ‘D’ in this section of the eye.

A

Rods and Cones

60
Q

Identify ‘1’ in this section of the eye.

A

retina

61
Q

Identify ‘2’ in this section of the eye.

A

choroid

62
Q

The _________ has 10 layers that function to send visual images to the brain.

A

Sensory/optical retina

63
Q

The optical retina is held in place by the __________.

A

vitreous body

64
Q

Identify the layer indicated by the number ‘8’ in this H&E section of the retina.

A

ganglion cell layer

65
Q

Identify the layer indicated by the number ‘6’ in this H&E section of the retina.

A

inner nuclear layer

66
Q

Identify the layer indicated by the number ‘4’ in this H&E section of the retina.

A

cell bodies of rods and cones

67
Q

Identify the layer indicated by the number ‘2’ in this H&E section of the retina.

A

photoreceptor layer

68
Q

General concept of Optical Retina (3 neurons in succession)

  1. Light passes through layers of retina, stimulates __________
  2. Impulse is passed to __________, then to __________
  3. Axons of __________ form a __________, which converges at optic disk (papilla) and leave eye as the optic nerve (CN II)
A

General concept of Optical Retina (3 neurons in succession)

  1. Light passes through layers of retina, stimulates photoreceptor cells (rods and cones)
  2. Impulse is passed to bipolar neurons, then to ganglion cells
  3. Axons of ganglion cells form a nerve fiber layer, which converges at optic disk (papilla) and leave eye as the optic nerve (CN II)
69
Q

The photoreceptor layer has neurons known as ________________

A

Rods and Cones

70
Q

Which cells are indicated by ‘A’ in this H&E section of the retina?

A

ganglion cells

71
Q

Identify the layer indicated by ‘B’ in this H&E section of the retina.

A

internal nuclear layer

72
Q

Identify the layer indicated by ‘C’ in this H&E section of the retina.

A

external nuclear layer

73
Q

Identify the layer indicated by ‘D’ in this H&E section of the retina.

A

Rods and cones

74
Q

What is indicated by ‘E’ in this H&E section of the retina?

A

choroid

75
Q

What is indicated by ‘F’ in this H&E section of the retina?

A

vessels

76
Q

Rods and cones have outer and inner segments connected through a _________.

A

Rods and cones have outer and inner segments connected through a cilium.

77
Q

True or false:

Cones are responsible for vision in bright light, and color vision

A

True

78
Q

True or false:

Rods are responsible for vision in dim light.

A

True

79
Q

True or false:

Rods are primarily responsible for color vision

A

False.

Cones are responsible for color vision

80
Q

Cones contain flattened membranous disks containing the pigment __________.

A

iodopsin

81
Q

Rods contain flattened membranous disks containing the pigment __________.

A

rhodopsin - aldehyde of vitamin A (retinaldehyde)

82
Q

The pigment iodopsin is found where?

A

Cones.

83
Q

The pigment rhodopsin is found where?

A

Rods.

(just remember RODopsin found in RODS)

84
Q

What is the function of the vitreous body?

A

aids in maintaining shape and retinal apposition

85
Q

_________ occupies the space between lens and retina, and takes up about 4/5 of the eyeball.

A

vitreous body

86
Q

Identify the tissue.

A

lens.

87
Q

Identify the tissue.

A

ciliary processes

88
Q

epithelium is only present in the _________ portion of the lens.

A

epithelium is only present in the anterior portion of the lens.

89
Q

Anterior lens epithelium reflects onto surface of the lens; cells elongate to form ____________ which comprises the _____________.

A

Anterior lens epithelium reflects onto surface of the lens; cells elongate to form lens fibers which comprise the lens.

90
Q

Identify the structure indicated by the arrow in this H&E section of the lens.

A

lens capsule

(thicker on anterior lens surface than on the posterior)

91
Q

Identify ‘A’ in this H&E section of the lens

A

lens capsule

92
Q

Identify ‘B’ in this H&E section of the lens

A

subcapsular epithelium

93
Q

Identify ‘C’ in this H&E section of the lens

A

lens fibers

94
Q

Identify ‘A’ in this H&E section of the lens

A

lens capsule

95
Q

Identify ‘B’ in this H&E section of the lens

A

lens epithelium (simple columnar)

96
Q

Identify ‘C’ in this H&E section of the lens

A

differentiating lens fibers

97
Q

Identify ‘D’ in this H&E section of the lens

A

mature lens fibers

98
Q

The __________ is the mucous membrane on inner surface of palpebrae (eyelids) extending to the limbus (edge) of the cornea.

A

The conjuctiva is the mucous membrane on inner surface of palpebrae (eyelids) extending to the limbus (edge) of the cornea.

99
Q

The conjuctiva is lined by __________ epithelium

A

The conjunctiva is lined by stratified squamous epithelium/stratified columnar epithelium

100
Q

Identify ‘A’ in this H&E section of the conjunctiva.

A

conjunctiva epithelium

101
Q

Identify the cells indicated by ‘B’ in this H&E section of the conjunctiva.

A

goblet cells

102
Q

Identify ‘C’ in this H&E section of the conjunctiva.

A

lamina propria

103
Q

__________ have tubuloalveolar acini composed of secretory cells filled with small granules.

A

Lacrimal glands have tubuloalveolar acini composed of secretory cells filled with small granules.

104
Q

Identify this tissue.

A

lacrimal gland

105
Q

Tear film has __ layers. (how many?)

What are they?

A

3 layers

Oily portion - portion produced by the Meibomian (tarsal) glands. The oily portions is the superficial layer of a tear film

Aqueous portion - portion consisting of sero-mucous material produced by the lacrimal glands, and glands of the third eyelid

Mucous portion - portion produced by goblet cells in the conjunctiva

I could eat 3 tiered _O_reos _A_ll _M_orning

106
Q

Tears are secreted by the __________

A

lacrimal gland

(Lacrima means tear in latin)

107
Q

Regarding the development of the eye, the neuroectoderm of diencephalon forms __________

A

the optic cup that remains connected by the optic stalk

108
Q

What are the two layers of the optic cup?

A

retina and pigment epithelium

109
Q

tears are secreted by the __________

A

lacrimal gland

110
Q

The posterior limiting lamina of the cornea is also known as ______________

A

Descemet’s membrane

111
Q

The substantia propria of the cornea is also known as the:

A

stroma

112
Q

Identify ‘A’ in this H&E section of the cornea.

For some reason, Brainscape won’t let me add a picture to this card… It also won’t let me delete it. That’s finals week for ya.

A

You probably would have gotten it right anyway.

BCSE Microanatomy I (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions