Patho phys CH 7 Flashcards
Anhidrosis
condition of decreased or lack of ability to sweat
Apocrine sweat glands
glands found in the groin and anal regions that become active around puberty
Carotene
Skin pigment that gives a normal yellowish hue to the skin
Dermis
Considered the true skin with nerve, blood vessels, elastic fibers, hair follicles, and glands; under the epidermis
Eccrine glands
sweat glands located over the body to allow perspiration and cool the body by evaporation to aid in temperature regulation
Epidermis
outermost, visible layer of the skin
fibroblasts
cells that produce connective fiber
hair shaft
visible portion of hair on the epidermis layer
hypodermal layer
known as the subcutaneous layer; innermost layer of skin that is made of elastic and fibrous connective tissue and fatty tissue
Keratin
protein that hardens cells and forms hair and nails
Lipocytes
cells that produce fat needed to provide padding to protect the deeper tissues of the body and act as energy storage
Nail root
part of epidermis where specialized cells that form the nail are located
Sebum
oiley secretion of the sebacceous glands that keeps skin lubricte: acts as an anti infectve agent
stratum basale
deepest layer of the epidermis where new cells are formed
stratum corneum
outermost layer of the epidermis made of flat hardened dead epithelial cells
subcutaneos Layer
known as the hypodermal layer, innermost layer of skin composed of elastic and fibrous connective tissue and fatty tissue
Sudoriferous glands
Sweat glands located in the skin for cooling and release of toxins
Antipruitics
Meds used to relieve itching
Emolients
Agents used to soothe irritation and protect the skin from damage
enzymatic agents
promote removal of necrotic and fibrotic tissues (aids debridement)
Keratolytic agents
loosens or breaks down epithelial skin scaling
pediculicides
agents used to treat lice infestation
scabicides
agents used to treat mite infestations (scabies)
abscess
localized collection of infected material or pus
acne
skin condition characterized by hyperactivity of oil glands and red pimples on the face, back and chest
antiseptics
chemicals that inhibit the growth of bacteria
carbuncle
Large grouping of furnicles
cellulitis
bacterial infection of the skin caused by strep or staph bacteria
folliculitis
infection of the hair follicle on the skin from staph bacteria
furnucle
small abscess developed around a hair follicle
herpes simplex
viral infection causing clusters of fluid filled vesicles called cold sores or fever blisters and gential herpes
herpes varicella
viral infection causing chick pox
human papilloma virus (HPV)
viral infection causing warts, most common STD, increases the risk of cervical cancer
Impetigo
highly contagious pustule forming skin disease found in kids and affecting the hands and face
Lesion
general term for any abnormal damage or change in tissue esp on the skin
Open comedo
blockage and stagnation of the sebaceous gland, blackhead
Tinea barbae
fungal infection affecting bearded area of neck and face
Tinea capitas
fungal infection of the skull cap of head
Tinea corpis
fungal infection found on smooth skin of arms legs and body, called ring worm
Tinea cruris
fungal infection of the scrotal and groin area, jock itch
Tinea pedis
fungal infection of the feet, athletes foot
Tinea unguium
fungal infection of the fingernails/toenails causing white patches, difficult to treat
verrucae
medical term for warts caused by a virus
basal cell carcinoma
most common form of skin cancer that does not metastasize, a raised nodule with depressed center or smooth shiny pink or white in color
dermatoplasty
surgical repair of the skin such as grafting needed to replace damaged skin with healthy skin
Hemangiomas
common begin often cherry red, childhood tumor made up of blood vessels, usually on the face and neck
Keloids
raised mass of scar tissue that usually develops after trauma or surgery
malignant melanoma
most deadly form of skin cancer often resulting from over exposure to the sun or harmful radiation
seborrheic keratosis
non cancerous overgrowth of skin cells that appears as a wart like growth, tan or black
squamous cell skin cancer
form of skin cancer with high cure rate that usually appears as a firm red nodular lesion with a crusty looking appearance, usually found on face, arms, or neck
urticarial
raised reddened area of skin because of allergic reaction
wheal
raised, reddened, swollen, and itchy area of the skin, hives
urticaria
raised reddened area of skin because of allergic reaction
squamous cell
form of skin cancer with high cure rate that usually appears as a firm, red nodular lesion with a crusty looking appearance, usually found on face, arms or neck