Brainscape's Knowledge GenomeTM

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


See full index

A & P > Skin > Flashcards

Skin Flashcards

1
Q

Acid mantle

A

The slightly acidic film of skin secretions that render the surface of the skin less hospitable to harmful microbes

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

Adipose layer

A

Subcutaneous layer

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

Arrector pili

A

Smooth muscle attaching the base of each hair follicle to the tops of the dermis;
When contracted, cause hair to stand straight up

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

Basement membrane

A

A composite of reticulin fibers and mucoproteins that cement the epidermis and dermis to form skin

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

Dermis

A

The dense irregular connective tissue layer of skin deep to the epidermis and rich in blood, lymph, and nerves

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

Epidermal derivatives

A

Specialized structures of hair and glands found in skin that arise from the epidermis and dip deep into the dermis

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

Epidermis

A

The stratified squamous epithelium layer of the ski , avascular and superficial to the dermis

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

Free nerve endings

A

Bare, unencapsulated endings of nerve cells i the epidermis and dermis that can detect temperature, touch, and tissue damage that may register as pain

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

Hypodermis

A

Subcutaneous layer

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

Keratin

A

A tough, waxy, water-resistant protein produced by keratinocytes

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

Keratinization

A

The process by which keratinocytes gradually fill with keratin

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

Keratinocytes

A

The most common cell in the epidermis, which produce and fill with keratin as they migrate to the surface, die and are sloughed off

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

Lamellar granules

A

Lipids secreting organelles in keratinkcytes that assist in waterproofing the skin

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

Langerhans cells

A

Immune cells in stratum spinosum that protect against pathogens and abnorm cell growth

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

Meissner’s corpuscles

A

Encapsulated cutaneous sensory receptors located in the papillary layer of the dermis that assist in sensing light touch

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

Melanin

A

The protein pigment produced by melanocytes that gives skin color and protects jt from ultraviolet radiation

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

Melanocytes

A

Cells of stratum basalt that produce the melanin

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

Merkel cell

A

Cells found in stratum Badgley that assist in cutaneous sensation such as light touch

19
Q

Merkel discs

A

Nerve endings found just deepness the epidermis that interface with the Merkel cells in stratum basale

20
Q

Painting corpuscles

A

Encapsulated cutaneous sensory receptors located in the reticular layer of the dermis that assis in sensing pressure

21
Q

Papillae

A

Wave- or finger-like protrusions of the dermis that protrude into the epidermis, often contain nerve receptors, and produce the appearance of fingerprints

22
Q

Papillary layer

A

Superficial layer of the dermis named for the presence of papilae

23
Q

Reticular layer

A

Deel layer of the dermis containing most of the accessory structures of the skin

24
Q

Sebaceous (oil) gland

A

Gland of the ski. That secretes sebum into hair follicles, helping with pliability and waterproofing of hair.

25
Q

Sebum

A

An oily mixture of lipids secreted by sebaceous glands

26
Q

Skin

A

The cutaneous membrane comprised of the superficial, epithelial layer of the epidermis and the deeper, connective tissue layer of dermis, joined together by a basement membrane

27
Q

Stratum badale

A

The deepest layer of the epidermis, comprised of a single, germinating layer of cuboid cells

28
Q

Stratum corneum

A

The most superficial layer of the epidermis, comprised of dead, flattened keratinocytes that are completely filled with keratin

29
Q

Subcutaneous layer

A

Layer of adipose tissue deep to the skin; an hors skin to deep fascia and acts as communicative, protective, nutritive, insulating layer rich in blood, lymph and nerve

Also called hypodermis, superficial fascia and adipose layer

30
Q

Sudoriferous (sweat) gland

A

Gland in the dermis with a tubular neck that spirals out through the epidermis to pores at the surface of the skin

31
Q

Thick skin

A

Skin with an epidermis composed of all five layers including stratum luckdum; found only on palms, fingertips and soles of the feet

32
Q

Thin skin

A

Skin with a four-layered epidermis, lacking stratum lucidhm; found everywhere on the body except palms, fingertips, and soles of the feet

33
Q

What are four primary types of membranes

A

Mucous

Serous

Synovial

Cutaneous

34
Q

Mucous Membrane

A

Location: lining cavities open to external environment. Ex- respiratory tract, gastrointestinal tract, urinary tract, female repro tract

Function: Protection and produces mucous

35
Q

Serrous Membrane

A

Function- protection, produces serous fluid

Location- lining cavities closed to the external environment and covering organs

Ex- Peritoneum, Pleura, Pericardium

36
Q

Synovial Membrane

A

Connective tissue membrane, lines synovial joint capsules

Has a thick fibrous connective tissue layer on the outside and a thin internal layer of epithelium. The epithelial layer secretes synovial fluid which reduces friction and wear to the bone ends during movement.

It also serves ad the medium for butrient and waste exchange for the cartilage that covers the bones

Ex- Shoulder, Elbow, Hip, Knee, Ankle

37
Q

Cutaneous Membrane

A

Functuon- protection

Location- covers the body

Ex-skin

38
Q

Membrane

A

Broad, flat sheet of at least two layers of tissue

39
Q

5 strata of the epidermis (top layer of skin)

A

Horny layer ( stratum corneum)

Glassy layer (stratum lucidum)

Granular layer ( stratum granulosum)

Spiny layer (stratum spinosum)

Germinating layer (stratum germinativum or stratum basale)

40
Q

Horny layer/stratum corneum

A

Outermost stratum of skin consists of 20 to 30 layers of dead keratinized cells that form a protective barrier.

41
Q

Glassy layer /stratum lucidum)

A

Present in areas where the skin is thickest such as palms, fingertips,soles of feet. Densely packed cells are flat, dead and full of keratin.

42
Q

Granular layer/strata granulosum

A

Contains specialized granules in the keratinocytes that release a lipid secretion that make them water resistant -like. Cells in this layer of skin replace their cytoplasm with keratin

43
Q

Spiny layer/ stratum spinosum

A

Contains about 10 layers of cells. Contains langerhans cells- immune cells, that help protect the body from organisms that penetrate the superficial epidermis.

44
Q

Germinating layer (stratum germinativum/ stratum basale)

A

The keratinocytes in this layer continually undergo mitosis (reproduce) to create new cells which helps the skin heal quickly.

A & P (7 decks)

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