Integumentary part 1

Question 1

two major subdivision

Answer 1

• cutaneous
• accessory

Question 2

cutaneous membrane

Answer 2

• epidermis
• dermis
• hypodermis

Question 3

accessory structures

Answer 3

excretory glands

Question 4

strata

Answer 4

different layer

Question 5

dermis

Answer 5

connective tissue

Question 6

has the ability to regenerate and mitosis

Answer 6

stratum germinativum

Question 7

• 5th
• combination of 4th and 5th basale
• stem cell

Answer 7

stratum basale

Question 8

touch receptors in hairless skin only

Answer 8

merkel cell

Question 9

• 4th layer
• spiny layer
• Melanocytes & Langerhans

Answer 9

stratum spinosum

Question 10

Establishment of desmosomes

Answer 10

adhesive/tightens the skin

Question 11

protect the skin from infection

Answer 11

langerhans cell

Question 12

• 3rd layer
• Production of keratohyalin and keratin fibers
• cells start to die

Answer 12

stratum granulosum

Question 13

• 2nd layer
• found at the hands and soles of feet
• clear layer (lucid)

Answer 13

stratum lucidum

Question 14

• first layer that is dry
• Many layers of flattened, dead cells, filled with keratin
• Dead = nephrotic = ready to be disposed

Answer 14

stratum corneum

Question 15

in extracellular space

Answer 15

glycolipids

Question 16

• Average 0.08mm
• Rest of body
• 4 layer
• No lucidum

Answer 16

THIN refers to epidermis

Question 17

• 6x thicker
• found sole of the foot
• callous

Answer 17

thick

Question 18

CONTOUR OF SKIN SURFACE FOLLOWS PATTERN OF

Answer 18

EPIDERMAL RIDGES

Question 19

Why do we need the lines?

Answer 19

for the grip

Question 20

• Border line of dermis and epidermis
• Structure that make your fingerprint unique
• 1st area of dermis

Answer 20

dermal papila

Question 21

lines in your skin

Answer 21

lunger lines

Question 22

dermal blood supply

Answer 22

hemoglobin

Question 23

decrease in Oxygen level

Answer 23

cyanosis

Question 24

Produced by melanocytes of stratum basale

Answer 24

melanin

Question 25

obtain from plant food

Answer 25

Carotene

Question 26

- yellow skin - jaundice

Answer 26

bilirubin

Question 27

* Produce melanin * Protect us from skin cancer

Answer 27

melanocyte

Question 28

Dense irregular c.t.

Answer 28

reticular layer

Question 29

- project between epidermal ridges - makes the finger print unique

Answer 29

dermal papillae

Question 30

- loose c.t. - capillaries

Answer 30

papillary layer

Question 31

- Consist of dense c.t.

Answer 31

reticular layer

Question 32

components of dermis

Answer 32

- hair shaft - hair bulb - growth zone - hair follicle

Question 33

infection of hair follicle

Answer 33

folliculitis

Question 34

o Produce goosebumps o Makes the hair stand straight

Answer 34

arrector pili muscle

Question 35

new born baby hair

Answer 35

lanugo hair

Question 36

grows continuously in length, and on the face of males

Answer 36

angora hair

Question 37

grows to a certain length and then ceases to grow (eyelash, eyebrow, pubic, and axillary)

Answer 37

definitive

Question 38

3 layers of hair in cross section

Answer 38

o Medulla – inner part o Cortext - thick middle part o Cuticle – covers cortext and form toughened outer potion

Question 39

- Also call sudoriferous glands - Widely distributed in the skin, numeroun in pals, sole, axillary, and oubiv - Secretion evaporates and cools the body - Urea, sodiu, chloryde, lactic acid

Answer 39

sweat glands

Question 40

two types of sweat glands and definition

Answer 40

Medocrine sweat gland - More numerous and found all over the body, especially in forehead, back, palms, and soles Apocrine sweat glands - much larger, localized gland found in axillary and pubic region where they secrete into hair follicle - not functional until puberty - odorless or once accumulated with bacterial it can cause body odor

Question 41

- Indistinct boundary (c.t. fibers interwoven) - Located below dermis that serves as a foundation of skin - Attaches skin to underlying muscle & bone

Answer 41

HYPODERMIS/SUBCUTANEOUS TISSUE/fat

Question 42

HYPODERMIS made up of

Answer 42

- loose - adipose

Question 43

function of HYPODERMIS/SUBCUTANEOUS TISSUE/fat

Answer 43

stabilization of skin while allowing for independent movement

Question 44

serves as insulator

Answer 44

adipose

Question 45

caused by decreased collagen

Answer 45

wrinles

Question 46

lineae albicantes

Answer 46

stretch marks

Question 47

decubitus ulcer

Answer 47

bedsore

Question 48

three hair type

Answer 48

- vellus - intermediate - terminal

Question 49

Bakit umaatras yung hairline

Answer 49

- stress - gene - Andropose ‘menopause sa lalaki’

Question 50

Holocrine * Found all over the skin except on palms and sole * Sebum– discharge into hair follicles (lubrication & bactericidal) * Sebaceous follicles – large sebaceous glands, that discharge directly to the epidermis - acne

Answer 50

Sebaceous glands

Question 51

* Have merocrine secretion! * Empty into hair follicle * Location: armpits, groin, nipples * Viscous, cloudy secretion o Good nutrient source of bacteria (ODOR) * Secretion may contain pheromones * Secretion begins at puberty and is stimulated during emotional distress ( cold sweat)

Answer 51

Apocrine sweat glands

Question 52

- Empty directly onto the skin surface - Walang odor - Location: most all over the body o Esp abundant on palms * soles 500/cm2 - clear, watery secretion (99% h2o; rest NaCI_ some waste products) - sensible respiration o insensible water loss, minimal water loss

Answer 52

Merocrine sweat glands

Question 53

All exocrine glands (they release secetion to skin surface via ducts)

Answer 53

cutaneous glands

Question 54

Modified apocrine sweat glands

Answer 54

mammary glands

Question 55

Modified sweat glands in cerumen

Answer 55

ceruminous glands