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Comparative Vertebrate Histology > Exam 3 Lab slides. > Flashcards

Exam 3 Lab slides. Flashcards

1
Q

Layer of skin?

A

Stratum Basale

Notice lack of lucidum

Chicken Foot- Cornified

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2
Q

Layer of Skin?

A

Stratum Basale

Human

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3
Q

Layer of Skin?
Type of Skin?

A

Stratum Corneum Proper
Thick Skin.

Proper due to presenece and exclusion of Lucidum.

Human

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4
Q

Layer of Skin?
Type of Skin?

A

Stratum Corneum Proper
Thick Skin.

Human

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5
Q

Layer of Skin?

A

Stratum Corneum

Human Scalp

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6
Q

Layer of Skin?

A

Dermis.

Human

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7
Q

Layer of Skin?

A

Stratum Granulosum.

Chicken Foot- Cornified

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8
Q

Layer of Skin?

A

Stratum Granulosum.

Human

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9
Q

What is the larger main structure shown and marked Structure?

A

Hair Follicle
Arrector Pilli

Arrector Pilli is a Smooth Muscle.

Human Scalp

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10
Q

Layer of Skin?

A

Hypodermis.

Human.

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11
Q

Structure & Type of keratin?

A

Contour Feather
Beta-Keratin

Betakeratin is harder & produced in feathers

Due to being a “Modified Scale”

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12
Q

Structure & Type of keratin?

A

Down Feather
Beta-Keratin

Betakeratin is harder & produced in feathers

Due to being a “Modified Scale”

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13
Q

Layer of Skin?

A

Lucidum

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14
Q

Layer of Skin?

A

Lucidum

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15
Q

Class of Vertebrate this skin is from?

A

Amphibian.

Salamander.

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16
Q

Class of Vertebrate?

A

Amphibian.

Frog.

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17
Q

What structure is indicated here?

A

Arrector Pilli

Human Scalp.

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18
Q

What Cell of the Stratum basale is shown here?

A

Merkel Cell.

Mechanoreceptor.

Human.

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19
Q

What Cell of the Stratum Spinosum is shown here?

A

Langerhans

Dendriditic cells.

Human.

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20
Q

Structure stretching from the dermis to epidermis surface?

A

Duct of an Ecrine Gland

Coiled Part within the Epidermis in Thick skin is called Acrosyringium.

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21
Q

Structure stretching from the dermis to epidermis surface?

A

Duct of an Ecrine Gland

Coiled Part within the Epidermis in Thick skin is called Acrosyringium.

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22
Q

Skin Gland?

A

Eccrine.

Coil Secretion Cells Shown.

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23
Q

Skin Gland?

A

Eccrine

Coil Secretion Cells Shown.

Notice Smaller Lumen

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24
Q

What type of cell within an eccrine gland is circled?

A

Dark Cell.

Notice Narrow Base and Wide Apex.

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25
What type of cell within an eccrine gland is circled?
Clear/ Light Cell. | Notice Wide Base and Narrow apex.
26
What type of Cell at the end of the pointer just outside the Gland?
Myoepithelial Cell.
27
What gland is shown within the Ear?
Ceruminous Gland. ## Footnote Ear Canal Epidermis and Dermis
28
Gland Shown?
Apocrine ## Footnote Peri-Anal Region (Masson)
29
Gland Shown?
Apocrine. ## Footnote Perianal Region (H&E)
30
What is thet state of this mammary gland?
Inactive. | Notice lightly stained and not many luminal spaces seen.
31
What is thet state of this mammary gland?
Active | Notice darker staining and more visible lumens.
32
What Glands are shown?
Mammary Glands | Notice the nearby adipose and lost of connective tissues.
33
Gland Circled?
Apocrine | Larger Luminal Space. ## Footnote Peri-anal region (Masson)
34
Gland Circled?
Eccrine | Smaller Luminal Space and smaller over all. ## Footnote Peri-anal region (Masson)
35
Structures Circled?
Hair Follicles.
36
Gland Circled?
Sebaceous Gland. ## Footnote Peri-anal region (Masson)
37
Dermal Papilla.
38
Dermal Sheath.
39
Inner Root Sheath.
40
Outer Root Sheath.
41
Dermal Papilla.
42
Dermal Papilla.
43
Dermal Sheath.
44
Layer of Hair?
Cortex
45
Layer of Hair?
Cuticle
46
Layer of Hair?
Medulla
47
Blue: Red: Green: Orange: Entire non-green structure:
Blue: Inferior Umbilicus. Red: Superior Umbilicus. Green: Vanes. Orange: Rachis. Entire: Shaft.
48
Contour Feather:
A: Barbule B: Hooks C: Flange D: Barb
49
Identify this Integument Gland.
Uropygial Gland Functions as a sebaceous gland. ## Footnote Spotted Kiwi
50
Identify this Integument Gland.
Uropygial Gland Functions as a sebaceous gland. | Histology is very similar to sebaceous glands in other vertebrates. ## Footnote Spotted Kiwi
51
What class of vertebrate is this from?
Reptile.
52
Identify A-C Layers. Type of Keratin in D&E?
A: Epidermis. B: Dermis. C: Hypodermis. D: Beta. E: Alpha. | D&E make up the Stratum Corneum. ## Footnote Reptile Skin.
53
Class of Vertebrate? What are the ovoid structures?
Avian Developing Feather Follicles. ## Footnote Chicken.
54
Chromatophores | Melanophores in this skin. ## Footnote Reptile.
55
What are the "Finger-like" Projections of the dermis?
Dermal Papilla ## Footnote Most abundant in areas of high friction. EX: Palms.
56
A: Epidermis B: Unicellular Mucus Goblet cell gland. C: Scales D: Chromatophores. | Trout
57
A: Scales B: Chromatophores.
58
Class of Vertebrate?
Fish.
59
A: Epidermis B&C: Dermis D: Hypodermis. | Fish
60
Layers? Types of Tissue?
A: Papillary Dermal: Areolar/ Loost c.t. B: Reticular Dermal: Dense Irregular c.t. ## Footnote Papillary/ Spongiusum. Reticular/ Compactum.
61
Placoid Scales.
62
Ctenoid Scale. ## Footnote Type of Elasmoid Scale.
63
Ctenoid Scale. ## Footnote Type of Elasmoid Scale.
64
Cycloid Scale. ## Footnote Type of Elasmoid Scale.
65
Cycloid Scale. ## Footnote Type of Elasmoid Scale.
66
# Just Look.
| Shark. ## Footnote Scales attached at the dermis. (Scales in chondrichthyes are derived from the dermis.) mc: Mucus Cell psc: Placoid Scale.
67
Layer of Dermis?
A: Papillary/ Spongiosum. B: Reticular/ Compactum. ## Footnote A: Areolar/ Loose c.t. B: Dense Irregular c.t.
68
Meissner's Corpuscle. ## Footnote Sense Touch.
69
Pacinian Corpuscle. ## Footnote Senses Vibrations.
70
Placoid Scales. ## Footnote Unique to Chondrichthyes (Sharks & Rays.)
71
Meissner's Corpuscle.
72
Pacinian Corpuscle. ## Footnote Senses Vibrations.
73

Comparative Vertebrate Histology (11 decks)

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