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Integumentary System. Functions. 1. __________and __________ the body What does the skin protect us from?. Functions. 2. Regulate body __________ How does it regulate __________?. subcutaneous. Functions. 3. __________ Waste What wastes are __________? __________ as __________.

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functions
Functions

1. __________and __________ the body

What does the skin protect us from?

functions1
Functions

2. Regulate body __________

How does it regulate __________?

functions2

subcutaneous

Functions

3. __________ Waste

What

wastes are

__________?

__________

as __________

functions3
Functions

4. Reduces __________ loss

Keeps the body from __________ out!

functions4
Functions

5. __________ and __________ deeper __________.

functions5
Functions

6. Houses __________ receptors

microanatomy layers of the skin
Microanatomy - Layers of the Skin
  • __________
    • __________
  • __________
    • __________ tissue
  • __________ / __________
    • __________ connective tissue
    • Anchors skin to bone or muscle
  • __________ Appendages = outgrowths of epidermis

www.uptodate.com/.../Melanoma_anatomy.jpg

epidermis

Stratum

corneum

Dead

keratinocytes

Stratum

lucidum

Stratum

granulosum

Lamellar granules

Keratinocyte

Langerhans cell

Stratum

spinosum

Melanocyte

Merkel cell

Stratum

basale

Tactile disc

Sensory neuron

Dermis

Epidermis

Outer (surface) layers of skin

________cells thick

Two Parts:

Inner part composed of __________ cells

Outer part is of __________ cells

epidermis inner layers
Epidermis – Inner layers

Lowest layer of cells __________ and push __________ cells toward the __________.

As cells near the __________, they __________ and their organelles __________

epidermis inner layers1
Epidermis – Inner layers

These cells also begin producing __________ a tough, fibrous protein.

This replaces __________.

epidermis outer layers
Epidermis – Outer layers

The __________ producing cells __________ as they move toward the surface.

Outer dead layer __________ and __________ inner layers

It is __________ continually and is completely replaced in __________ weeks

epidermis1
Epidermis

What do we find in the epidermis?

Melanocytes

What are melanocytes?

Cells that produce melanin.

What is melanin?

A dark brown pigment

What does melanin do?

Gives skin it’s color

Protects sensitive dermis from U-V radiation

epidermis2
Epidermis

Melanocytes

Do some people have

more melanocytes

than other people?

epidermis3
Epidermis

Skin pigmentation is due to the type and amount of melanin produced

__________ produces __________ pigments

_________________produces __________ pigments and freckles

These often occur together in __________ __________

Melanocyte

dermis
Dermis

Deeper layers of skin

__________ times thicker

than epidermis.

Top layer arranged

In ridges.

Why are there

ridges?

Dermis

dermis1
Dermis

__________ help the

__________ bind to the

__________.

The uneven ridges

create __________

Dermis

accessory organs of the dermis
Accessory Organs of the Dermis

1. __________ __________– tube-like depression where the hair develops

accessory organs of the dermis1
Accessory Organs of the Dermis

2. __________ __________– secret oily sebum to soften and waterproof skin

accessory organs of the dermis2
Accessory Organs of the Dermis

3. __________– protective covers of ends of fingers and toes.

accessory organs of the dermis3
Accessory Organs of the Dermis

4. __________ glands:

accessory organs of the dermis4
Accessory Organs of the Dermis

5. __________ __________– to nourish skin cells

accessory organs of the dermis5

Subcutaneous

Accessory Organs of the Dermis

6. __________– to send and receive messages

accessory organs of the dermis6

subcutaneous

Accessory Organs of the Dermis

7. __________ __________ __________

- __________ muscle

-causes

“__________”

-causes

hair to

stand __________

hypodermis subcutaneous layer connective tissue
Hypodermis/ Subcutaneous layer – connective tissue

Anchors __________ to the body

Contains _____ cells to protect and cushion

Hypodermis/

Subcutaneous layer

self quiz
Blood vessels

Connective tissue

Dermis

Epidermis

Fat cells

Hair

Hair follicle

Muscle

Neuron

Sebaceous gland

Subcutaneous layer

Sweat gland

Sweat pore

Self Quiz

L.

M.

I.

H.

A.

B.

A.

G.

K.

L.

B.

J.

J.

F.

D.

I.

C.

K.

C.

D.

H.

E.

E.

M.

G.

F.

disorders of the skin
Disorders of the Skin

__________– infection of __________ gland

disorders of the skin1
Disorders of the Skin

__________ __________– fleshy growths on neck, armpits and body.

__________!

Tumor

disorders of the skin2
Disorders of the Skin

__________ __________– Blood vessel abnormality affecting .5% of population – darkens skin

disorders of the skin3
Disorders of the Skin

__________– dry, sensitive skin

disorders of the skin4
Disorders of the Skin

__________ __________

disorders of the skin5
Disorders of the Skin

__________ __________

__________ __________

__________ __________

disorders of the skin6
Disorders of the Skin

__________– bacterial infection

disorders of the skin7
Disorders of the Skin

__________– chronic inflammation

disorders of the skin8
Disorders of the Skin

Melanoma

__________

Carcinoma

disorders of the skin9
Disorders of the Skin

Common wart

Warts- __________ infection

Plane warts

Plantar wart

disorders of the skin10
Disorders of the Skin

BurnsFirstdegree

Seconddegree

Thirddegree