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Human Bio > Integumentary System > Flashcards

Integumentary System Flashcards

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Biology 101 flashcards
1
Q

Integumentary System

A

hair, skin, nails, and glands

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2
Q

Organ

A

two or more tissues that share the same specialized function

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3
Q

Epidermis

A

avascular (no blood vessels), made up of stratified Squamous, upper layer of skin

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4
Q

Epidermis layers

A

Stratum Corneum
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Basale

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5
Q

Merkel Cells

A

touch receptors (heat, cold, itch, tickle)

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6
Q

Hypodermis or Subcutaneous

A

connects skin to muscle (areolar + adipose), what makes up skin

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7
Q

Dermis

A

connective tissue, collagen and elastic fibers, nerves, and blood vessels, touch receptors

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8
Q

Kertinocytes

A

majority of skin cells, fills with keratin, found in any layer of the skin

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9
Q

Stratum Lucidum

A

soles and palms

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10
Q

Stratum Granulosum

A

will find lamellar granules

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11
Q

Lamellar Granules

A

help keep moisture in

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12
Q

Stratum Spinosum

A

Will find langerhan cells

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13
Q

Langerhan Cells

A

protect the melanocytes from uv rays, and protects immune system

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14
Q

Stratum Basale

A

only layer where cell division occurs, have melanocytes, where cytocrine secretion occcurs

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15
Q

Apoptosis

A

cell death: lose nuclei, flatten and die

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16
Q

Moles (Nevus)

A

Benign overgrowth of melanin

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17
Q

ABC’s of moles

A

A - assymetry: both sides of mole are different
B - border: borders are uneven
C - color: black, blue, red, brown with center white
D - diameter: 6mm
E - evolution

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18
Q

Albanism

A

genetic condition, have melanocytes but the melanin gene is shut off

19
Q

Vitaligo

A

autoimmune disease, destroys melanocytes

20
Q

Dermis Papillae

A

thick layer at the bottom of the epidermis

21
Q

Dermis’ 2 layers

A

papillary layer, reticular layer

22
Q

Intradermal

A

administrated directly into dermis, absorbed slowly
ex: botox, allergy, TB test

23
Q

Subcutaneous

A

absorbed slowly
ex: insulin

24
Q

Intramuscular

A

vaccines, antibiotics, absorbed quickly
ex: tetnis

25
Q

Intravenous

A

most quickest
ex: chemo, antiobiotics, saline

26
Q

Nails

A

made up of epidermal cells, protects fingers and toes

27
Q

Nail Matrix

A

where cell division occurs, if damaged nail will not grow back

28
Q

Pale Nails

A

indicates anemia, heart/kidney disease

29
Q

White Nails

A

liver issues (hepatitis)

30
Q

Yellow Nails

A

fungal Infection

31
Q

Blue Nails

A

lack of oxygen (cardio issue, lung issue)

32
Q

Rippled Nails

A

early onset arthritis or psoriasis

33
Q

Cracked or Split Nails

A

indicates thyroid disease

34
Q

Black Brown Streak

A

melanoma

35
Q

White Spots

A

injury, results of stress

36
Q

Biotin

A

vitamin to make nails strong
foods: banana, eggs, nuts

37
Q

Alopecia

A

autoimmune disease, attacks the hair follicle, patches of hair loss

38
Q

Baldness

A

genetic condition, inherited via x chromosome, hair follicle made unproductive/falls out

39
Q

Ceruminous Gland

A

produces ear wax

40
Q

Sebaceous Gland

A

coats the hair to prevent drying, prevents bacterial infections, secretes sebum (tryglercerides, proteins, and cholesterol) found in the dermis

41
Q

Eccrine Sweat Gland

A

seen in palms and soles of feet, regulate of body heat, becomes active at birth

42
Q

Apocrine Sweat Gland

A

found in armpit, facial area, and groin. activated by stress, will secrete upon sexual activity, start working at puberty

43
Q

Pinkish colored skin

A

too much hemoglobin

44
Q

Orange tint skin

A

when eating beets, carrots or other colored foods

Human Bio (21 decks)

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