Chapter 4 - Integumentary System Flashcards
Pertaining to the skin (from Latin cutis, meaning “skin”)
cutaneous
Skin (from Greek)
derma
The layer of the skin between the epidermis and the subcutaneous tissue; the true skin or corium
dermis
The outermost layer of the skin (from epi- meaning “upon or over” and derm, meaning “skin”)
epidermis
A thread-like keratinized outgrowth from the skin (root: trich/o)
hair
The sheath in which a hair develops
hair follicle
The skin and its associated glands, hair, and nails
integumentary system
A protein that thickens and toughens the skin and makes up hair and nails (root: kerat/o)
keratin
A dark pigment that gives color to the hair and skin and protects the skin against the sun’s radiation (root: melan/o)
melanin
A plate-like keratinized outgrowth of the skin that covers the dorsal surface of the terminal phalanges (root: onych/o)
nail
A skin gland that produces sebum; usually associated with a hair follicle (root: seb/o)
sebaceous gland
A fatty secretion of the sebaceous glands that lubricates the hair and skin (root: seb/o)
sebum
The tissue that covers the body; the integument (roots: derm/o, dermat/o)
skin
The layer of tissue beneath the skin; also called the hypodermis
subcutaneous layer
A gland that releases a watery fluid (perspiration) to the skin in order to cool the body. A sudoriferous gland. (root: hidr/o)
sweat gland
Meaning of this root: kerat/o
keratin, horny layer of the skin
Meaning of this root: derm/o, dermat/o
skin
Meaning of this root: melan/o
dark, black, melanin
Meaning of this root: hidr/o
sweat, perspiration
Meaning of this root: seb/o
sebum, sebaceous gland
Meaning of this root: trich/o
hair
Meaning of this root: onchy/o
nail
study of the skin and skin diseases
dermatology
study of the hair
trichology
instrument for cutting the skin
dermatome
a tumor containing melanin. A metastasizing pigmented skin tumor that arises from melanocytes
melanoma
inflammation of the skin
dermatitis
The process of scar formation; a scar is a cicatrix
cicatrization
Removal of dead or damaged tissue, as from a wound
debridement
A general term for skin inflammation with redness, lesions, and itching; atropic dermatitis
eczema
splitting or bursting, as when the layers of a wound separate
dehiscence
Diffuse redness of the skin
erythema
Removal of scab tissue resulting from burns or other skin injuries; a scab or crust is an eschar
escharotomy
Protrusion of internal organs (viscera) through an opening, as through a wound
evisceration
Material, which may include fluid, cells, pus, or blood, that escapes from damaged tissue
exudate
A raised, thickened scar caused by tissue overgrowth during scar formation
keloid
An ulcer caused by pressure to an area of the body, as from a bed or chair; ulcer, bedsore
pressure ulcer
A chronic hereditary dermatitis with red lesions covered by silvery scales
psoriasis
A method for estimating the extent of body surface area involved in a burn by assigning percentages in multiples of nine to various body regions
rule of nines
A chronic disease that is characterized by thickening and tightening of the skin and that often involves internal organs in a form called progressive systemic sclerosis (PSS)
scleroderma
An inflammatory disease of the sebaceous glands and hair follicles usually associated with excess sebum secretion
acne
The outermost layer of the epidermis is the
stratum corneum
A synonym that means the same as subcutaneous is
hypodermic
The term onychoid refers to a:
nail
Keratogenesis is:
formation of keratin
Under conditions of hypermelanosis, the skin becomes:
dark
Trichology is:
study of hair
A protein that thickens and waterproofs the skin is:
keratin
The outermost layer of the epidermis is the:
stratum corneum
The deepest layer of the epidermis is the:
stratum basale
As skin cells die, they:
die, fill with keratin
The layer beneath the epidermis:
dermis
The layer beneath the dermis:
subcutaneous tissue
A melanocyte gives the skin:
color
The main pigment in the skin is:
melanin
The purpose of sebum is to:
lubricate the skin and hair
Squamous cell carcinoma and basal cell carcinoma are cancers of:
epithelial cells
Albinism is characterized by:
lack of pigment
Pemphigus and lupus erythematosus are:
autoimmune diseases
Removal of damaged tissue from a wound is:
debridement
Ecchymosis, petechiae, and purpura are all characterized by:
bleeding into the skin
An excoriation is caused by:
scratching
Turgor is a measure of the skin’s:
elasticity
Diascopy is used to:
examine a skin lesion
Scleroderma and lupus erythematosus are classified as:
autoimmune diseases
The epidermis is composed of several layers, or ____, of epithelial cells.
strata
Kaposi sarcoma is usually associated with:
AIDS
Corium is another term for _______.
dermis
The _______ is the middle layer of skin.
dermis
What is the outermost layer of the skin?
epidermis
The hair _____ is located in the dermis.
follicle
Another name for subcutaneous layer is _____.
hypodermis
The primary purpose of melanin is to _____.
filter out ultraviolet radiation
The primary functions of the integumentary system include ____.
homeostasis, protection, excretion
An injection given under the skin is described as what?
subdermal
The layer of the skin superficial to the dermis is the _____.
epidermis
A protein that thickens and waterproofs the skin is _____.
keratin
Adipose tissue is found in what layer of the skin?
hypodermis
The subcutaneous layer is located _____.
below the dermis
What layer of tissue is immediately under the skin?
subcutaneous
A specialist of the integumentary system is a(n) _______.
dermatologist
xero-
dry
Raised, fluid-filled lesion larger than a vesicle (plural: bullae)
bulla
crack or break in the skin
fissure
derm/o, dermat/o-
skin
kerat/o-
keratin, horny layer of the skin
melan/o-
dark, black, melanin
hidr/o-
sweat, perspiration
seb/o-
sebum, sebaceous gland
trich/o-
hair
A word that means the same as subcutaneous is _____.
hypodermic
onych/o-
nail
Hair and nails are made up of a protein called _____.
keratin
cutane/o
skin
What gland(s) secretes oil into the hair follicle and to the epidermis?
sebaceous glands
A tough, waterproof protein that develops in the membranes is _____.
keratin
Keratogenesis is _____.
formation of keratin
The subcutaneous tissue is composed mainly of _____.
connective tissue and fat
Melanoma and Kaposi sarcoma are cancers of the _______ system.
integumentary
skin diseases with redness and silvery scales
psoriasis
