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HDM Midterm - Brett > Integument & Barriers to Infection > Flashcards

Flashcards in Integument & Barriers to Infection Deck (31):
1

The __________ is the hypodermis, dermis, and epidermis

Integument

2

Thick skin has ______ layers while thin skin has ____ layers

5, 4

3

The raised area between the dermis and epidermis is called

Dermal or epidermal ridges

4

What are the 5 layers of the integument?

Stratum corneum, stratum lucidum (only in thick), stratum granulosum, stratum spinosum, stratum basale

5

The most mitotically active layer is the stratum _________

Basale

6

What 2 problems arise from basale?

Psoriasis and melanoma

7

In the stratum _________, keratin aggregates to form _____________

Spinosum, tonofilaments

8

The stratum spinosum and the stratum basale form the ______________ layer which is often the thickest layer

Malphigan

9

The stratum ___________ is made of flattened cells that contain granules.

Granulosum

10

_________ granules are basophil and cystine and histadine rich and assemble keratin into bundles

Keratohyalin

11

________ granules are lipid rich and serve as a barrier to water and foreign material

Lamellar

12

The stratum _________ is translucent and has no organelles

Lucidum

13

The stratum __________ is made of fully keratinized cells called _________

Corneum, squames

14

__________ produce keratin and house ___________

Keratinocytes, melanin

15

__________ produce melanin and transfer it to keratinocytes.

Melanocytes

16

_________ is a pigment that protein that protects nuclei from UV radiation

Melanin

17

___________ helps produce melanin and is UV sensitive

Tyrosinase

18

The most common cells in the stratum spinosum

Langerhans

19

Langerhans cells function as

APC

20

The ______ layer of the dermis is the superficial layer while the ________ layer is deeper

Papillary, reticular

21

Free nerve endings are responsible for

Temperature, touch, itching, and pain

22

_______________ are elliptical shaped and detect light touch or low frequency stimuli and are numerous in ______ ________ and _________

Meissner corpuscle, fingertips, palms, soles

23

________________ are oval shaped and detect coarse touch, vibration, or pressure

Pacinian

24

The ________ portion of glands produces what is going to be secreted while the _______ portion serves as a way to move it

Acinus, duct

25

Sweat glands or sudoriferous glands are characterized as _________ ( ___________ ).

Eccrine, merocrine

26

Sebaceous glands are associated with ____________

Hair follicle

27

Sebaceous glands produce ________ via ___________ secretion

Sebum, holocrine

28

Eccrine sweat produce sweat which is used for _________

Thermoregulation

29

Apocrine glands use ____________ secretion which produces a milky sweat which responds to hormones

Merocrine

30

The hair shaft is made of the _______ (the core of hair shaft), __________ (middle layer of hair shaft), and _____________(outer layer of hair shaft)

Medulla, cortex, cuticle

31

The nail _______ is the most proximal region of the ______ _______. The _______ is crescent shaped white

Root, nail plate, lunula