Unit 3 Seminar Unit 3 Seminar The Integumentary The Integumentary System and Body System and Body Membranes Membranes Chapter 6 Thibodeau Chapter 6 Thibodeau Amy J. Hilbelink Ph.D. Amy J. Hilbelink Ph.D.
Jan 20, 2016
Unit 3 SeminarUnit 3 SeminarThe Integumentary System The Integumentary System
and Body Membranesand Body Membranes
Chapter 6 ThibodeauChapter 6 ThibodeauAmy J. Hilbelink Ph.D.Amy J. Hilbelink Ph.D.
Classification of body membranesClassification of body membranes
EpithelialEpithelial ConnectiveConnective
Classification of body membranesClassification of body membranes
EpithelialEpithelial Cutaneous membraneCutaneous membrane Serous membraneSerous membrane Mucous membraneMucous membrane
ConnectiveConnective
Functions of SkinFunctions of Skin
ProtectionProtection Temperature regulationTemperature regulation Sense organ activitySense organ activity
Let’s discuss how the skin does this…Let’s discuss how the skin does this…
Serous membranesSerous membranes
Visceral Visceral = covers the surface of organs = covers the surface of organs found in body cavities.found in body cavities.
ParietalParietal = lines the wall of a body cavity, = lines the wall of a body cavity, much like wallpaper covers the walls of a much like wallpaper covers the walls of a roomroom
Serous membranesSerous membranes
Found only on Found only on surfaces surfaces within within closed closed cavities.cavities.
Transverse - section from below
Mucous membranesMucous membranes
They line body cavities that open to the They line body cavities that open to the exterior of the body.exterior of the body.
The mucus keeps the area moist and The mucus keeps the area moist and lubricated.lubricated.
So, where in the body are they found?So, where in the body are they found?
Mucous membranes are found Mucous membranes are found in….in….
Respiratory tractRespiratory tract Digestive tractDigestive tract Urinary tractUrinary tract Reproductive tract Reproductive tract
Note that the secretion is spelled mucus Note that the secretion is spelled mucus and the membrane is spelled mucous.and the membrane is spelled mucous.
Did you know that skin has Did you know that skin has appendages?appendages?
HairHair Receptors (two kinds of receptor Receptors (two kinds of receptor
corpuscles)corpuscles) NailsNails Skin glandsSkin glands
Sudoriferous = sweatSudoriferous = sweat• Eccrine and apocrineEccrine and apocrine
Sebaceous glands = microscopicSebaceous glands = microscopic
Functions of SkinFunctions of Skin
ProtectionProtection Temperature regulationTemperature regulation Sense organ activitySense organ activity
What would happen in a burn situation?What would happen in a burn situation?
Degrees of burnsDegrees of burns
11stst degree degree Minor discomfort to epidermis, does not blisterMinor discomfort to epidermis, does not blister
22ndnd degree degree Involves deep epidermal layers and damage Involves deep epidermal layers and damage
to upper layers of dermis.to upper layers of dermis. 33rdrd degree degree
Complete destruction of the epidermis and Complete destruction of the epidermis and dermis. May require skin grafting or dermis. May require skin grafting or amputation of limbs.amputation of limbs.
Classification of burnsClassification of burns
1.1. Depth and number of tissue layers Depth and number of tissue layers involvedinvolved
2.2. Total body surface area affectedTotal body surface area affected
3.3. Type of homeostatic mechanisms, such Type of homeostatic mechanisms, such as respiratory or blood pressure control as respiratory or blood pressure control and fluid electrolyte balance, that are and fluid electrolyte balance, that are damaged or destroyed.damaged or destroyed.
Estimating body surfaceEstimating body surface
Matching exerciseMatching exercise
1.1. MelaninMelanin2.2. Epithelial membraneEpithelial membrane3.3. Pacinian corpuscle Pacinian corpuscle 4.4. SebaceousSebaceous 5.5. Waterproofing Waterproofing 6.6. HairHair7.7. LunulaLunula8.8. Connective tissue Connective tissue
membrane membrane 9.9. Dermal papillae Dermal papillae 10.10. SudoriferusSudoriferus
A. Fingerprint A. Fingerprint B. Pressure B. Pressure C. Brown pigment C. Brown pigment D. Pleura D. Pleura E. Synovial membrane E. Synovial membrane F. Perspiration F. Perspiration G. Oil G. Oil H. Follicle H. Follicle I. Keratin I. Keratin J. Little moon J. Little moon
Answers – how did you do?Answers – how did you do? 1. C1. C 2. D2. D 3. B3. B 4. G4. G 5. I5. I 6. H6. H 7. J7. J 8. E8. E 9. A9. A 10. F10. F
WeblinksWeblinks
BurnsBurns http://www.aafp.org/afp/20001101/2015.hthttp://www.aafp.org/afp/20001101/2015.ht
mlml Dermatology image bankDermatology image bank http://tray.dermatology.uiowa.edu/DermImhttp://tray.dermatology.uiowa.edu/DermIm
ag.htmag.htm
Any questionsAny questions
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