1. Skin and Body Membranes

2. I. BODY MEMBRANES-- less complicated than organs - Body Membranes are generally located where?
A. Mucous Membranes
*Tissues made of are?
2. *Produce what substance? Why?
3. *Where located?

3. B. Serous Membranes 1. *Tissue made of? 2. *Substance produced?
3. *Where located?
4. Specific types
Peritoneum:
Pleura:
Pericardium:
5. They have two layers
Visceral
Parietal

4. II) INTEGUMENTARY SYSTEM
A. Functions: see Table 4.1
B. Structure & Major Layers:
*Epidermis define
*Dermis define
*Below Skin = Subcutaneous (Hypodermis) define

5. C. Epidermis– Sub-Layers
Figure 4.3

6. C. EPIDERMIS *Type of Tissue: 2. Sub-Layers a. Stratum Basale
("germinativum)
i) *Location & # layers
ii) Cells it Contains:
Keratinocytes & Function
Melanocytes & Function
iii) * Importance = Mitosis explain
EPIDERMIS
Stratum Basale

7. *Contains what chemicals? Condition of cells?
b) Stratum Spinosum
c) Stratum Granulosum
*Has what structures?
*Contains what chemicals?
Condition of cells?
d) Stratum Lucidum
Cells Dead
*Location: only where?
Appearance of layer
Stratum Granulosum
Stratum Spinosum

8. d) Stratum Corneum- *Location? *# layers: Condition of Cells?
Epidermis …
d) Stratum Corneum-
*Location?
*# layers:
Condition of Cells?
Cells are filled with:
*Function
Stratum Corneum

9. D. DERMIS– Bottom Layer 1. *Major Type Tissue Fibers:
Many Blood vessels
Function in:
2. Two sub-layers
DERMIS

10. D. Dermis … 2. Layers of the Dermis …
a) Papillary layer
Location:
Tissue: Areolar
pain receptors
touch receptors
Papillary Layer
Touch Receptors
Pain Receptors

11. Dense Connective Tissue Blood vessels *Sweat produce?
b) Reticular layer
Dense Connective Tissue
Blood vessels
*Sweat produce?
*Oil (Sebaceous) glands produce?
*Deep pressure receptors function?
Sweat Gland
Oil Gland
Deep Pressure Receptor

12. E. SUBCUTANEOUS TISSUE– HYPODERMIS
Function:
Tissue:

13. F. SKIN APPENDAGES 1. Sebaceous glands *Locations
*Ducts empty into what?
Functions
2. Eccrine Sweat glands
Composition of Sweat
*Functions
Sweat Gland

14. 3. Hair
Parts: Bulb, Root, Shaft
Hair follicle
Matrix
Color

15. G. Skin Homeostatic Imbalances …
1. Burns
b) Types– Severity of Burns
i) First-degree burns
*layers:
Condition of Skin
ii) Second-degree burns
*layers

16. iii) Third-degree burns
*layers
Characteristics
c. Critical Burns
i) Second-Degree
Amount: over 25% body
ii) Third-Degree
Amount: over 10% body
AND/OR: includes: Face, Hands, and Feet
d. Dangers of Critical Burns:
dehydration
electrolyte imbalance
shock

17. 2. Skin Cancer Basal Cell Carcinoma *Malignancy Cure Rate *Cause:
Skin layer
Characteristics
ii) Squamous Cell Carcinoma

18. iii) Malignant melanoma
Cure Rate
Cell layer and cells
*Cause
Metastasizes
*Characteristic– color
Detection: ABCDE Rule
A = Asymmetry
B = Border
C = Color
D = Diameter > 6 mm
E = Elevation

19. END