(M) Lab 1: Skin Histology

Question 1

How many layers are found in this type of skin

Answer 1

5

Question 2

What layer of the skin is blue?

Answer 2

Dermis

Question 3

What type of skin is in the photo

Answer 3

Thick skin

Question 4

What layer of the skin does the arrow near the star point at?

Answer 4

Stratum corneum

Question 5

What layer of the skin does the arrow near the circle point at?

Answer 5

Stratum lucidum

Question 6

What layer of the skin does the arrow near the triangle point at?

Answer 6

Stratum granulosum

Question 7

What layer is the arrow near the black diamond pointing at?

Answer 7

Stratum basale

Question 8

What layer of the skin is #1?

Answer 8

Stratum corneum

Question 9

What layer of the skin is #2

Answer 9

Stratum lucidum

Question 10

What layer of the skin is #3

Answer 10

Stratum granulosum

Question 11

What layer of the skin is #4

Answer 11

Stratum spinosum

Question 12

What layer of the skin is #5

Answer 12

Stratum basale

Question 13

Which layers are capable of mitosis?

Answer 13

5 and 4

Question 14

How many layers of keratinocytes are found on this layer of the skin?

Answer 14

Single layer of keratinocytes

Question 15

What cell is the arrow pointing at?

Answer 15

Melanocyte

Question 16

Which layer are melanocytes found?

Answer 16

Stratum basale / basal layer

Question 17

What are the arrows pointing at?

Answer 17

Desmosomes

Question 18

What layer of the skin is in the photo?

Answer 18

Stratum spinosum

Question 19

What does keratinocytes in stratum granulosum contain?

Answer 19

Keratohyaline granules

Question 20

What do you call the keratinocytes precursor?

Answer 20

Eleidin

Question 21

Where is this layer of skin prominent in?

Answer 21

Thick skin - palms, soles, and corresponding fingers / toes

Question 22

What does this cell contain for melanin synthesis?

Answer 22

Tyrosinase

Question 23

What layer of the dermis is blue?

Answer 23

Reticular dermis

Question 24

What layer of the dermis is red?

Answer 24

Papillary dermis

Question 25

What structures are the arrows pointing at?

Answer 25

Sweat glands

Question 26

What is the morphology and the structure being pointed at?

Answer 26

Structure: sweat gland Morphology: simple coiled tubular gland

Question 27

What is the type of secretion of the structure in the photo?

Answer 27

Serous

Question 28

What is the mechanism of release of excretory products of the structure in the photo?

Answer 28

Merocrine

Question 29

What is the structure in the photo?

Answer 29

Sweat gland

Question 30

T or F Hair follicles are not present at all in this type of skin

Answer 30

F (hair follicles are present EXCEPT: lips, labia minora, and glans penis)

Question 31

What layer of the skin is the neon green arrow (the top one)

Answer 31

Stratum corneum

Question 32

What layer of the skin is the green arrow pointing at ? (second)

Answer 32

Stratum granulosum

Question 33

What layer of the skin is the yellow arrow pointing at?

Answer 33

Stratum spinosum

Question 34

What layer of the skin is the orange arrow pointing at?

Answer 34

Stratum basale

Question 35

What is the fundamental type of the tissue pointed at?

Answer 35

Connective tissue

Question 36

What is the subtype of the tissue pointed at?

Answer 36

Connective tissue proper

Question 37

What is the specific subtype of the tissue being pointed at?

Answer 37

Loose connective tissue

Question 38

What is the fundamental type of the tissue being pointed at?

Answer 38

Connective tissue

Question 39

What is the subtype of the tissue pointed at?

Answer 39

Connective tissue proper

Question 40

What is the specific subtype of the tissue being pointed at?

Answer 40

Dense irregular connective tissue

Question 41

What structure is encircled in the photo?

Answer 41

Meissner’s corpuscles

Question 42

Where is this structure found in?

Answer 42

papillary layer of the dermis

Question 43

what is the function of the structure encircled in the photo?

Answer 43

fine touch

Question 44

What is arrow 1 pointing at?

Answer 44

Hair follicle

Question 45

What is arrow 2 pointing at?

Answer 45

arrector pili muscle

Question 46

What is arrow 3 pointing at?

Answer 46

Sebaceous gland

Question 47

What is the type of secretion of this structure?

Answer 47

Mucous

Question 48

What is the mechanism of release of excretory products of this tissue?

Answer 48

holocrine

Question 49

What is the morphology of this tissue?

Answer 49

simple branched acinar