Brainscape's Knowledge GenomeTM

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


See full index

F16: Anatomy Test 3 > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

Besides skin, what are the other components of the integumentary system?

A
  1. Hair follicles/hair
  2. Sweat (sudoriferous) glands
  3. Sebacious (oil) glands
  4. Nails
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the major functions of the integumentary system?

A
  1. Protective
  2. Immunologic
  3. Homeostasis
  4. Sensory
  5. Endocrine
  6. Exocrine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The epidermis is the ______ layer of the skin while the dermis is the _______ layer.

A

superficial; deep

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

The epidermis is made up of _______ while the dermis is made of ________ .

A

keratinized stratified squamous epithelium; connective tissue

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

The epidermis is derived from _____ while the dermis is derived from ______.

A

Ectoderm; mesoderm

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

T/F: The epidermis is highly vascularized.

A

False. The dermis is highly vascularized while the epidermis is avascular.

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

What is the layer just deep to the skin and what is it made of?

A

Hypodermis (under the dermis); adipose tissue

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

Where is thick skin typically found?

A

On palms of hands and soles of feet. These areas are subject to the most abrasion.

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

Which layer is thickened in thick skin?

A

The epidermal layer

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

T/F: Hair follicles are present in thick skin?

A

False. Palms and feet dumbass.

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

Name the layers of the epidermis from deep to superficial.

A
  1. Stratum Basale; BAD
  2. Stratum Spinosum; SPRINTERS
  3. Stratum Granulosum; GET
  4. Stratum Lucidum*; LEG
  5. Stratum Corneum; CRAMPS
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the most abundant cell type in the epidermis?

A

Keratinocytes

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

What important intermediate filaments are produced by the most abundant cell type of the epidermis?

A

Keratins - major structural protein of epidermis

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

Keratinocytes produce _____ ______ which participate in the formation of the _____ ______.

A

lamellar bodies; water barrier

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

Which layer of the epidermis has mitotically active stem cells?

A

Stratum Basale

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

What gives the stratum spinosum its name?

A

The keratinocytes exhibit numerous cytoplasmic processes or “spines”

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

At which epidermal layer does the production of lamellar bodies begin?

A

Stratum spinosum

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

In the stratum granulosum layer, keratinocytes contain _______ ______.

A

keratohyalin granules

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

T/F: Lamellar bodies are released within the stratum granulosum.

A

True

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

Which epidermal layer is only found in thick skin?

A

Stratum Lucidum

21
Q

The _______ _________ is a thin translucent layer of eosinophilic cells.

A

Stratum Lucidum

22
Q

In the _____ ______ cells are filled almost entirely with keratin.

A

Stratum Corneum

23
Q

How keratinocytes visually transition as they move superficially?

A

They flatten as they move superficially.

24
Q

What cells produce melanin and where are they found?

A

Melanocytes; stratum basal with long processes extending into stratum spinosum

25
Q

Where are melanocytes found in the epidermis?

A

Cell body in the stratum basale. Long processes extend into the stratum spinosum.

26
Q

What role does melanin play in keratinocytes?

A

Melanin accumulates over nuclei to protect DNA from UV radiation.

27
Q

______ cells are antigen-presenting cells typically found within the stratum spinosum.

A

Langerhans’

28
Q

What are Langerhans’ cells derived from?

A

Bone marrow

29
Q

______ cells are associated with sensory nerve endings and are located in the ______ ______.

A

Merkel’s; stratum basale

30
Q

What part of a Merkel’s cell associates with the terminal of afferent nerve fibers?

A

Merkel’s Corpuscle

31
Q

What are the three major types of skin cancer?

A
  1. Basal Cell Carcinoma: most common, stratum basale
  2. Squamous Cell Carcinoma: 2nd most common, all levels of epidermis
  3. Malignant Melanoma: most serious form, originates from melanocytes
32
Q

The ________ layer of the dermis consists of loose connective tissue.

A

Papillary

33
Q

The reticular layer of the dermis consists of __________ tissue.

A

Dense irregular connective

34
Q

T/F: The reticular layer is considerably thinner than the papillary layer.

A

False. The reticular layer is thicker than the papillary layer.

35
Q

Pacinian corpuscles detect _______ & ________.

A

pressure & vibration

36
Q

Meissner’s corpuscles detect ________.

A

light touch

37
Q

Where are Meissner’s corpuscles found?

A

Within dermal papillae of hairless skin

38
Q

_____ corpuscles involve myelinated nerves, while _______ corpuscles involve unmyelinated nerves.

A

Pacinian; Meissner’s

39
Q

Stimulation of what muscle results in goosebumps?

A

Arrector Pili Muscle

40
Q

Eccrine sweat glands lead to the _______ _______ while apocrine sweat glands secrete into _____ _____.

A

Epidermal surface; hair follicles

41
Q

Which sweat glands become functional at puberty and are responsible for body odor?

A

Apocrine glands

42
Q

T/F: In regards to the secretory portion of the gland, apocrine sweat glands have a much wider lumen than eccrine glands.

A

True

43
Q

What are the functions of eccrine sweat glands?

A

regulation of body temperature and waste removal

44
Q

What are the functions of apocrine sweat glands?

A

Stimulated during emotional stress and sexual excitement.

45
Q

T/F: Both eccrine and apocrine sweat glands are merocrine glands that excrete through exocytosis.

A

True

46
Q

Where are sebaceous glands found?

A

Everywhere except thick skin

47
Q

What type of secretion is utilized by sebaceous glands?

A

Holocrine excretion

48
Q

What is the lipid-containing substance produced and secreted by sebaceous glands?

A

Sebum

F16: Anatomy Test 3 (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions