1
List the Roots for skin
cutane/o, dermat/o, derm/o
onych/o, ungu/o
Function of the Sebaceous Glands
Secrete sebum (oil) to lubricate the skin and discourage the growth of bacteria
Function of hair
Aids in controlling the loss of body heat
List the 4 functions of the skin
●The skin waterproofs the body and prevents fluid loss
●Intact skin plays an important role in the immune system by blocking
the entrance of pathogens into the body
●Skin is the major receptor for the sense of touch
●Skin helps the body synthesize vitamin D, while screening out some
harmful ultraviolet radiation
Helps regulate body temperature and water content by secreting sweat
Sweat Glands
The outermost layer of the skin made of several epithelial tissues
The epidermis
Melanocytes
What does the dermis layer contain?
Connective tissues, blood and lymph vessels, and nerve fibers
What does the subcutaneous layer consist of?
Loose connective tissue and adipose tissue
What term is commonly known as a fingernail or toenail which protects the dorsal surface of the last bone of each finger and toe
Unguis
The partial or complete loss of hair, commonly on the scalp
Alopecia
The inflammation of the matrix of the nail that often results in the loss of the nail
Onychia
The inflammation resulting from seborrhea that causes scaling and itching of the upper layers of the skin or scalp
Seborrheic dermatitis
Define Albinism
A genetic condition characterized by a deficiency of the absence
of pigment in the skin, hair, and irises of the eyes. This condition is the result
of a missing enzyme that is necessary for the production of melanin.
What is released in response to allergens cause by signs of an allergic response
Histamine
What is a birthmark?
A mole or blemish on the skin present at birth or shortly
thereafter. Some birthmarks fade as children get older.
Hair ______: determines whether the hair is straight or curly
follicles
A large, irregular area of purplish discoloration due to bleeding under the skin
ecchymosis
Define erosion
The wearing away of a surface, such as the epidermis of the skin or the outer layer of a mucus membrane. Can also be defined by the progressive loss of dental enamel
Define Erythroderma
The abnormal redness of the entire skin surface
A superficial infection of the hair shafts in areas with extensive sweat glands
Trichomycosis axillaris
Eczema is also known as :
atopic dermatitis
The redness of the skin due to capillary dilation
Erythema
Producing or containing pus
Purulent