Special Sense Organs Flashcards

1
Q

Organs specialized to receive sensory stimuli?

A

Special sense organs

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

Receive visual stimuli?

A

Eyes

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

Receives olfactory stimuli?

A

Nose

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

Receives auditory stimuli?

A

Ears

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

Receives gustatory stimuli?

A

Tongue

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

Receptor organ for sense of touch (through Meissner’s corpuscle)

A

Skin

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

Parts of the eye are derived from?

A

Ectoderm and mesoderm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Single median region of neural plate ectoderm near rostral margin?

A

Optic field

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

It connects with the diencephalon through the optic stalks?

A

Optic vesicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  • double-walleed cups
  • original lumen of optic vesicles became slit-like
A

Optic cups

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

A gap along the optic stalk?

A

Choroid fissure

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

A single layer of cuboidal or columnar epithelium

A

lens epithelium

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

Lens fibers and lens epithelium produce lens proteins which are called?

A

Crystallins

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

Corneal epithelium secretes a collagenous matrix called?

A

Primary stroma

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

What does the corneal endothelial cells secretes causes the primary stroma to swell?

A

Hyaluronic acid

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

It destroys the hyaluronic acid

A

Hyaluronidase

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

From cranial part of the thin overlapping part of the optic cup?

A

Iris epithelium and muscles

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

From the reduced opening of the optic cup?

A

Pupil

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

From the caudal part of the overlapping portion of optic cup?

A

Cilliary apparatus

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

Inner vascular layer?

A

Choroid

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

Outer fibrous layer?

A

Sclera

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

It provides attachment to muscles of the eyeball

A

Sclera

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

From cephalic paraxial mesoderm?

A

Extrinsic muscles of eyeball

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

From pigmented layer of retina?

A

Intrinsic muscles of eyeball

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

From folds of skin that grow over the cornea?

A

Eyelids

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

Space b/w eyelid and cornea?

A

Conjuctival sac

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

From surface epithelium of eyelids that invaginates?

A

Lacrimal gland

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

Cornea and sclera?

A

Fibrous tunic

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

Choroid, ciliary body, ciliary processes and iris

A

Vascular tunic

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

Retina?

A

Nervous tunic

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

Transparent portion of the eyeball?

A

Cornea

32
Q

Stratified squamous epithelium nonkeratinized?

A

Corneal epithelium

33
Q

thick outer basal lamina (anterior limiting membrane)

A

Bowman’s membrane

34
Q

regular DWFCT

A

Substantia propria

35
Q

Thin inner basal lamina (posterior limiting membrane)

A

Descemet’s membrane

36
Q

Simple squamous or simple cuboidal

A

Corneal endothelium

37
Q
  • occupies the caudal 2/4 of the eyeball?
  • white of the eye
A

Sclera

38
Q

Perforated area at the caudal pole of the eyeball

A

Lamina cribrosa

39
Q

Fibroelastic c.t.

outer

A

Episclera

40
Q

DWCFT

sclera (middle)

A

Sclera proper

41
Q

Similar to episclera with pigment cells

inner

A

Lamina fusca

42
Q

Devoted to nourishment and support for the retina?

A

Vascular tunic

43
Q
  • cranial continuation of the choroid beginning at the ora ciliaris retinae?
A

Ciliary body

44
Q

Consists of basal pigmented cuboidal cells and superficial nonpigmented columnar cells?

A

Pars ciliaris retinae

45
Q
  • pigmented diaphragm-like structure
  • forms the colored part of the eye
A

Iris

46
Q

Covered by endothelium which continues from the corneal

A

Anterior border (iris)

47
Q

Covered by bistratified epithelium (pars iridica retinae)

A

Posterior border (iris)

48
Q

Innermost tunic of the eye?

A

Nervous tunic

49
Q
  • Part of the refractive media
A

lens

50
Q
  • A ventromedial fold of conjunctive located in the medial canthus of the eye
A

Nictitating membranes

51
Q

A tubuloalveolar serous gland divided into lobules by loose or dense c.t. septae

A

Lacrimal glands

52
Q

Development of a single eye in the center of the head due to failure of the optic field to separate into 2 lateral eye forming regions?

A

Cyclopia

53
Q

Absence of eye due to failure of optic vesicles to form or to severe interference with normal growth of an optic cup

A

Anopthalmia

54
Q

Small underdeveloped eye due to vitaminn A deficiency in the mother.

A

Microphthalmia

54
Q
A
55
Q

Loss of clarity of the lens

A

Cataract

56
Q

Consists of the pinna or auricle and the external auditory meatus

A

External ear

57
Q

Consists of the typanic membrane, typanic cavity, auditory ossicles and auditory tube.

A

Middle ear

58
Q

It lieas within the bony labyrinth excavated from the temporal bone and separated from the bone by perilyphatic space filled with perilymph

A

Inner or internal ear

59
Q

Sac-like structure made up of cartilage covered by skin

A

Pinna

60
Q

Pinna is present in birds

T OR F

A

FALSE
Pinna is absent in birds.

61
Q

From pinna to typanic membrane

A

External auditory meatus

62
Q

Oval, transparent membrane shaped like a cone

A

Tympanic membrane

63
Q

The 3 auditory ossicle?

A

Malleus, incus and stapes

64
Q

Derived from mesenchymal cells flanking VG 1 contributed by VA 1 and VA 2

A

Pinna

65
Q

It is derived from VC 1 or VG 1?

A

External auditory meatus

66
Q

It is derived from the narrow proximal portion of PP 1

A

Auditory tube

67
Q

From cells of VA 1?

A

Malleus and incus

68
Q

From cellsin the dorsal part of VA2

A

Stapes

69
Q

Dorsal wall evaginates?

A

Tubular endolymphatic duct

70
Q

The dorsal wall that connects with endolymphatic duct expands?

A

Vestibule

71
Q

It contains a crista with receptor cells for sense of balance

A

Ampulla

72
Q

It contains maculae?

A

Utricle and saccule

73
Q

It contains the organ of corti with receptor cells

A

Cochlear duct

74
Q

Organ of Corti with receptor cells connects with the saccule of the vestibule through a slender duct called?

A

Ducutus reuniens