Unit 14 Quiz 13 Flashcards
Sebaceous glands
Sac line glands associated with hair follicles , secrete sebum an oily substance that lubricates and waterproofs the skin
Sudoriferous glands
Coiled glands that vent directly to the skin surface or through hair follicles , release perspiration to cool body by evaporation , eliminate some soul ale wastes
Nails
Cover distal end of finger and toes composed of keratin,grow from proximal end , protection help in grasping object
Hair
Made keratin develops in a follicle grows from base of follicle , conserves heat , when raise by ar rector pili muscle stimulates secretion of sebum
Epidermis
Composed mostly of stratified squamous epithelium
Dermis
Composed of connective tissue
Subcutaneous tissue
Loose connective tissue with large amount of adipose tissue
Derm/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
Onych/o
Nail
Cutaneous
Pertaining to the skin
Derma
Skin
Dermis
The layer of the skin between the epidermis and the
subcutaneous tissue; the true skin or corium
Epidermis
The outermost layer of the skin
Hair
A thread like keratinized growth from the skin
Hair follicle
The sheath in which a hair develops
Integumentary system
The skin and its associated glands hair and nails
Keratin
A Protein that thickens and toughens the skin and makes up hair and nails.
Melanin
A dark pigment that gives color to the hair and skin and protects
the skin against the sun’s radiation
Nail
A plate-like keratinized outgrowth of the skin that covers the
dorsal surface of the terminal phalanges
Sebaceous gland
A gland that produces sebum; usually associated with a hair follicle
Sebum
A fatty secretion of the sebaceous glands that lubricates the hair
and skin
Skin
The tissue that covers the body; the integument
Subcutaneous tissue
The layer of tissue beneath the skin; also called the hypodermis
Sudoriferous gland
A sweat gland
Bulla
Raised fluid filled lesion larger than a vesicle
Fissure
Crack or break in the skin
Lesion
A distinct are of damaged tissue an injury or wound
Macule
Flat, colored spot less than 1 cm in size. A larger spot is
called a patch
Nodule
Solid, raised lesion larger than a papule (less than 1 cm);
often indicative of systemic disease
Papule
Firm, circular, raised surface lesion less than 1 cm in size,
such as a pimple
Plaque
Superficial, flat, or slightly raised differentiated patch
more than 1 cm in diameter
Pustule
Raised pus-filled lesion; often in a hair follicle or sweat
gland pore
Ulcer
Lesion resulting from destruction of the skin and
perhaps subcutaneous tissue
Vesicle
Fluid-filed, raised lesion less than 5 mm in size; a blister
or bleb
Wheal
Smooth, rounded, slightly raised area often associated
with itching; seen in urticaria (hives), such as those
resulting from allergy
Atopic dermatitis
Hereditary, allergic, chronic inflammation of the skin with
pruritus (itching); eczema
Basal cell carcinoma
An epithelial tumor that rarely metastasizes and has a high
cure rate with surgical removal
Cicatrization
The process of scar formation; a scar is a cicatrix
Debridement
Removal of dead or damaged tissue, as from a wound
Dehiscence
Splitting or bursting, as when the layers of a wound separate
Dermatitis
Inflammation of the skin, often associated with redness and
itching; may be caused by allergy, irritants (contact
dermatitis), or a variety of diseases
Dermatology
Study of the skin and diseases of the skin
Dermatome
Instrument for cutting thin section of skin for skin grafting
Eczema
A general term for an inflammation of the skin with redness,
lesions, and itching; atopic dermatitis
Erythema
Diffuse redness of the skin
Escharotomy
Removal of scab tissue (eschar) resulting from burns or other
skin injuries
Evisceration
Protrusion of internal organs (viscera) through an opening, as
through a wound
Exudates
Material, which may include fluid, cells, pus, or blood, that
escapes from damaged tissue
Kaposi sarcoma
Cancerous lesion of the skin and other tissues seen most often
in patients with AIDS
Keloid
A raised, thickened scar caused by tissue overgrowth during
scar formation
Lupus erythematosus
A chronic, inflammatory, autoimmune disease of
connective tissue that often involves the skin; types
include the more widespread systemic lupus
erythematosus (SLE) and a discoid form (DLE) that
involves only the skin
Malignant melanoma
A metastasizing pigmented tumor of the skin
Pemphigus
An autoimmune disease of the skin characterized by
sudden, intermittent formation of bullae (blisters);
may be fatal if untreated
Pressure ulcer
An ulcer caused by pressure to an area of the body, as
from a bed or chair; decubitus ulcer, bedsore, pressure
sore
Pruritus
Severe itching
Psoriasis
A chronic hereditary dermatitis with red lesions covered by
silvery scales
Rule of nines
A chronic hereditary dermatitis with red lesions covered by
silvery scales
Scleroderma
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)
Squamous cell carcinoma
An epidermal cancer that may invade deeper tissues but tends not to metastasize
Acne
An inflammatory disease of the sebaceous glands and hair
follicles usually associated with excess secretion of sebum;
acne vulgaris
Albinism
A hereditary lack of pigment in the skin, hair, and eyes
Alopecia
Absence or loss hair , baldness
Beau lines
White lines across the fingernails; usually a sign of systemic
disease or injury
Diaphoresis
Profuse sweating
Dsykeratosis
Any abnormality in keratin formation in epithelial cells
Ecchymosis
A collection of blood under the skin caused by leakage
from small vessels
Excoriation
Lesion caused by scratching or abrasion
Folliculitis
Inflammation of a hair follicle
Hemangioma
A benign tumor of blood vessels; in the skin, called
birthmarks or port wine stains
Herpes simplex
A group of acute infections caused by herpes simplex virus.
Type I herpes simplex virus produces fluid-filled vesicles,
usually on the lips, after fever, sun exposure, injury, or
stress; cold sore, fever blister. Type II infections usually
involve the genital organs
Hirsutism
Excessive growth of hair
Impetigo
A bacterial skin infection with pustules that rupture and
form crusts; most commonly seen in children, usually on
the face
Keratosis
Any skin condition marked by thickened or horny growth.
Seborrheic keratosis is a benign tumor, yellow or light
brown in color, that appears in the elderly. Actinic
keratosis is caused by exposure to sunlight and may lead
to squamous cell carcinoma
Nevus
A defined discoloration of the skin; a congenital vascular
tumor of the skin; a mole, birthmark
Paronychia
Infection around a nail. Caused by bacteria or fungi, and
may affect multiple nails
Pediculosis
Infestation with lice
Petechiae
Flat, pinpoint, purplish red spots caused by bleeding within
the skin or mucous membrane (singular, petechia)
Photosensitization
Sensitization of the skin to light, usually from the action of
drugs, plant products, or other substances
Purpura
A condition characterized by hemorrhages into the skin and
other tissues
Shingles
An acute eruption of vesicles along the path of a nerve;
herpes zoster (HER-peze ZOS-ter); caused by the same
virus that causes chickenpox
Tinea
A fungal infection of the skin , ringworm
Urticaria
A skin reaction marked by temporary, smooth, raised areas
(wheals) associated with itching; hives
Venous stasis ulcer
Ulcer caused by venous insufficiency and stasis of venous
blood; usually forms near the ankle
Verruca
An epidermal tumor a wart
Vitiligo
Patchy disappearance of pigment in the skin; leukoderma
