Skin Physiology Flashcards
2 Main layers of the Skin
- _______________
- ______________ ( True skin )
- Epidermis
2. Dermis ( True Skin )
How many layers of the Epidermis( according to State Board )?
4
5 Layers of Epidermis
- ________= Horny or toughest
- ________= Clear, Soles and Palms
- ________= Grainy
- ________= Spiny
- ________= Basal
- Stratum Corneum-toughest layer
- Stratum Lucidum- Clear, Soles and Palms
- Stratum Granulosum = Grainy
- Stratum Spinosum = Spiny
- Stratum Germinativum= Basal
2 Layers of Dermis
- Papillary
2. Reticular
How many percent of collagen dermis have?
70%
How many times dermis is thicker than epidermis ?
25 tiles thicker than epidermis
6 Functions of the Skin P S R E S A
P= Protection S= Sensation R= Regulation E= Excretion S= Secretion A= Absorption
Over or under production of SWEAT glands
Sudoriferous Gland Disorders
SWEAT
Over or under production of SEBUM/ OIL
Sebaceous Gland Disorders ( Sebum/ Oil )
Acne ________gland disorder
Acne sebaceous gland disorder
How many grades of of acne?
4
Describe each grade of acne
Grade 1 - mild
Grade 2 - moderate
Grade 3 - severe ( refer to dermatologist )
Grade 4 - most serious ( refer to dermatologist )
Failure of sweat glands
Think : “ anti “ sweating
Anhidrosis - sweat, failure to sweat.
( Sudoriferous Gland Disorder )
Sweat and Smelly Perspiration
Bromhidrosis
Also called Osmidrosis
Bromhidrosis-Osmidrosis-
Sudoriferous Gland Disorder
Sweat from heat and no smell
Hyperhidrosis
Sudoriferous Gland Disorder
Rash from excess heat
Miliaria Rubra - Heat Rash
Sudoriferous Gland Disorder
Under production of sebum
Asteatosis - Decreased sebum -
Dry Skin
Over production of sebum
Seborrhea - Increased sebum - oily skin
Cyst filled with Sebum
Steatoma
Aka - cyst - wens - tumor
( Sebaceous Gland Disorder )
Boil, involves 1 Hair follicle, hard , pus
Furuncle
Think: “my uncle has 1 hair on his head”
Sebaceous Gland Disorder
Group of Boils, Several Hair follicles
Carbuncle- Group of Boils
Sebaceous Gland Disorder
Dilation of blood vessels
- Papules and Pustules
- Aggravated by : __________
- Most men or women ?
Rosacea - dilated capillaries
- Aggravated by: heat, spicy food, alcohol
- Women
( Couperose ), vascular , damaged capillaries
Telangiectasia - Couperose
Dilated Capillaries
Rosacea - Cappillaries
Vesicles / blisters
Eczema
Silvery scales / flakes
Psoriasis - Silvery patches, scales
Severe Rosacea on nose
- Nose tissue swells
- drinking alcohol aggravates
- More men
Rhinophyma - Severe Rosacea on nose
Change in the structure of skin
2 types:
____________- beginning stage
____________- condition worsens
Lesion - change in skin
Primary
Secondary
Primary Lesions
Macule
Freckle
Vesicles
Primary lesion
Blister
Wheal
Primary lesion
Bug bite, hives ( urticaria )
Bulla
Primary lesion
Large blisters
Also Primary:
Cyst, Pustule, Nodule, Tumor, Papule
Crust
Secondary lesion
Scab
Excoriation
Excoriated picking on scratching