Week 2- Chapter 6 Flashcards
Acne vulgaris
Chronic disorder of sebaceous gland
Athletes foot
Fungal infection of the foot or fingers
Alopecia
Loss of hair, baldness
Arrector pili muscle
A smooth muscle on the side of each hair follicle, when cold, it stimulates the skin to pucker around the hair
Abrasion
An injury in which superficial layers of the skin are scraped or rubbed away
Avascular
Without blood vessels
Basal cell carcinoma
Most common and least malignant type of skin cancer
Decubitus ulcers
A deterioration of the skin dilute to constant pressure on the area
Dermatitis
Inflammation of the skin dilute
Cortex
The part of hair that consists of keratinized, nonliving cells, outer part of an internal organ
Boils
Bacterial infection of sebaceous gland
Dermis
True skin, lying immediately beneath the epidermis
Eczema
Acute or chronic noncontagious inflammation of the skin, very itchy
Eschar
Blackened skin that is usually a result of a third degree burns
First-degree (superficial) burn
Burn that affects only the epidermal layer
Fissure
The deep furrows within the brain matter
Epidermis
Outermost layer of skin
Erythema
Redness of the skin due to dilation of the capillary network
Fungal infections
Infections that grows in warm, moist environments that commonly affect the nails
Hyperthermia
Condition in which the body temperature rises above normal
Hypothermia
A condition in which the body temperature drops below normal
Hair follicle
In pocketing of the epidermis that holds the hair root
Herpes
Contagious viral infection in which small blisters appear
Herpes simplex
A viral infection that is usually seen as a blister around the face or mouth, also called cold sores or fever blisters
Impetigo
Acute and contagious skin disease with distinct yellow crusts
Jaundice
Yellowish coloring of the skin
Integumentary system
All organs and structures that make up the skin dilute
Laceration
A tear or jagged wound in the skin
Ingrown nails
A condition where a nail curves downward into the skin
Keratin
Protein that keeps the skin dry and protects against UV rays, bacteria, abrasions, and some chemicals
Lice
Parasitic insects found usually in the hair, highly contagious
Medulla
Innermost layer of hair , inner portion of an organ
Melanocytes
Cells that make the protein melanin to protect against ultraviolet rays
Moles
Benign growths that occur when melanocytes grow in a cluster with tissue surrounding them
Malignant melanoma
A type of tumor that develops in the pigmented cells of the skin called melanocytes and spreads rapidly
Melanin
Pigment that gives color to hair, skin, and eyes, protects from UV rays
Papillae
Ridges formed in the lower edge of the stratum germinativum, they raise the skin into permanent ridges that form fingerprints
Ringworm
Contagious fungal infection with raised circular patches
Sebaceous glands
Gland that secretes sebum, a fatty material
Psoriasis
Chronic inflammatory skin disease with silvery scales
Root
(1) the part of the tooth that is embedded into the alveolar process of the jaw (2) the part of a hair that is implanted in the skin
Rosacea
A common inflammatory disorder characterized by chronic redness and irritation to the face
Rule of nines
Pertains to patients with burns l, measurement of the percentage of body burned, the body is divided into 11 areas, with each accounting for 9% of the total body surface
Sebum
Secretion of sebaceous glands that lubricate the skin
Second degree (partial thickness) burn
Affects the epidermis and dermis layers
Skin cancer
A tumor that develops on the skin
Shingles (herpes zoster)
Virus infection of the nerve endings
Squamous cell carcinoma
Cancer of the epidermis that grows rapidly, often found on scalp or lower lip
Shaft
(1) the part of the hair that extends from the skin surface (2) the diaphysis of a long bone
Stratum corneum
The surface layer of the skin made up of dead cells that slough off daily
Stratum Germinativum
The deepest epidermal layer of the skin
Stratum spinosum
The epidermal layer that under a microscope looks prickly, contains melanocytes, keratinocytes, and Langerhans cells
Stratum granulosum
The epidermal layer where keratinocytes cells change their shape, lose their nucleus, lose most of their water, and become mainly hard protein or keratin
Stratum lucidum
The epidermal layer found only in the palms of the hands or soles of the feet, the cells in this layer appear clear
Sweat glands
Sudoriferous gland that produces sweat or perspiration
Third degree (full thickness) burn
Burn that involves complete destruction of the epidermis, dermis, and subcutaneous layers of the skin
Urticaria (hives)
Skin condition characterized by itching wheals or welts and usually caused by an allergic reaction