Transcript HTHS 1101 Module 3 The Integumentary System

HTHS 1101
Chapter 3
The Integumentary System –
Dermatology
Integument/Skin
Functions:
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Protection
• Keep invaders out
• Keep important stuff in
Regulation
• Temperature control
• Release of substances through secretions
Sensation
• First point of contact with environment
• Touch, pressure, pain, temperature
Integument/Skin
Important Players:
• Skin
• Epidermis
• Dermis
• Hair
• Nerves
• Glands
• Sweat
• Sebaceous
• Nails
• Fat
Skin/Integument Terms
• adip/o
• lip/o
• steat/o
• Skin
• cutane/o
• derm/o
• dermat/o
• Hair
• pil/o
• trich/o
• sweat
Skin/Integument Terms
• hidr/o
• nail
• onych/o
• ungu/o
• scale
• squam/o
• oil
• seb/o
• sebace/o
Skin/Integument
Pathology
• Skin pathology
most often relates to changes
in texture,
hydration, color or the presence of a rash or bumps.
• Texture
• ichthyo-
• kerato• pachyo• xero• rhytido-
Skin/Integument Pathology
• Color
• leuk/o
• erythr/o
• xanth/o
• melan/o
• cyan/o
• albin/o
Skin/Integument Pathology
• Rashes, bumps
• Location of a rash
• Localized vs. generalized
• Spreading
• Centrifugal vs. centripetal
• Presence of bumps and their size
• Papules <1cm
• Nodules >1cm
• Plaques are large and flat
Skin/Integument Pathology
• Rashes and bumps (continued)
• Bumps that are filled with fluid:
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Vesicles are <1 cm and filled with clear fluid
Bulla are >1 cm and filled with clear fluid
Pustules are filled with pus
Abscesses are large pustules
• Flat spots:
• Freckles are small flat spots called macules
• Large macules are called patches
Skin/Integument Pathology
• Other skin related conditions
• Collection of blood vessels
• cherry angioma – raised
• telangiectasia – flat
• Bruises
• petechiae – small
• ecchymosis – large
• Scar formations
• cicatrix
• keloid
• Epidermal tumors
• nevus
• dysplastic nevus
• verucca
Skin/Integument Pathology
• Other skin related conditions (continued)
• Infections
• comedo
• acne vulgaris
• impetigo
• fungal infections/mycoses
• Malignancies
• basal cell carcinoma
• malignant melanoma
• squamous cell carcinoma
Skin/Integument Pathology
• Nails
• onycholysis
• onychomalacia
• onychopathy
• onychophagia
• onychocryptosis
• paronychia
Skin/Integument Pathology
• Hair
• trichopathy
• alopecia
• hypertrichosis
• trichomegaly
Skin/Integument
Diagnosis and Treatment
• Culture and sensitivity
• biopsy
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excisional
incisional
shave
punch
• dermoscopy
• dermatoscope
• Medications
Skin/Integument
Diagnosis and Treatment
• Anti-infection
• anti-immune
• anti-itch or allergy
• Other treatments
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Chemicals
Vacuums
Cold
Lasers
Electricity
Surgery
skin grafting
Skin/Integument
Diagnosis and Treatment
• Procedures
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chemosurgery
cryosurgery
chemotherapy
dermabrasion
electrocauterization
electodesiccation
incision and drainage (I&D)
Skin/Integument
Diagnosis and Treatment
• Procedures (continued)
• onychectomy
• onychotomy
• liposuction
• lipectomy
• rhytidoplasty
Skin/Integument
Abbreviations
Burning Questions
How complete do our presentations need to be?
How much A&P do we include?
How close to the textbook should we be?
Is there a structure or format that makes more sense?
Do we include video links?
Do we include references to sections/activities in the book?