6. Integumentary System Flashcards Preview

.DENTAL BOARD EXAM REVIEWER COPY > 6. Integumentary System > Flashcards

Flashcards in 6. Integumentary System Deck (242)
Loading flashcards...
1

2 parts of the integumentary system

Epidermis
Dermis

2

Lining of epidermis

Stratified squamous

3

4 cell types in epidermis

Keratinocytes
Melanocytes
Langerhans cells
Merkels cells

4

Most numerous cell in the epidermis

Keratinocytes

5

Cells that produces keratin

Keratinocytes

6

Most numerous protein in the SKIN or Epidermis

Keratin

7

Most numerous protein in the BODY

Collagen

8

Most numerous protein in the MUSCLE

Actin

9

Most numerous protein in the BLOOD

Albumin

10

Cells that produce melanin

Melanocytes

11

Yellow-red melanin

Pheomelanin ("phe-ow")

12

Brown - black melanin

Eumelanin

13

Protects us from UV

Melanocytes (melanin)

14

Are melanocytes resistant or sensitive to light/UV?

Very sensitive to UV or light

15

What is the embryonic origin of melanocytes

Neural crest cells

16

2 cells that are derived from neural crest cells

Melanocytes
Neuroglia (glial cells)

17

Supporting cells of neurons

Neuroglia or glial cells

18

Macrophage of the epidermis

Langerhans cells

19

Epidermal layer where langerhans are present

Stratum spinosum

20

Mechanoreceptor for sense of TOUCH seen in the EPIDERMIS

Merkel cells

21

Mechanoreceptor for LIGHT TOUCH that is seen in the DERMIS

Meissner corpuscles

22

Which is more sensitive Merkel or Meissner?

Meissner corpuscles

23

Least numerous cell in the epidermis

Merkel cells

24

Merkel cells are located in what layer of epidermis

Stratum basale

25

Layers of EPIDERMIS: Superficial to Deep
(Come, Let's Get Sun Burned)

Corneum
Lucidum
Granulosum
Spinosum
Basale

26

Deepest layer of epidermis

Basale

27

2 epidermal layers which are sites of tonofilament production

Basale and Spinosum

28

Layer of epidermis with HIGHEST MITOTIC ACTIVITY of KERATINOCYTES

Stratum Basale

29

Future keratin

Tonofilaments

30

2 other names of stratum spinosum

Spiky layer
Prickle cell layer