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A&P Chap 5 Key Words

TermDefinition
Abrasion An injury in which superficial layers of the skin are scraped or rubbed away
Acne vulgaris Chronic disorder of sebaceous gland
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
Athlete's foot Fungal infection of the foot
Avascular Without blood vessels
Basal cell carcinoma Most common and least malignant type of skin cancer
Boil Bacterial infection of sebaceous gland
Cortex Outer part of an internal organ
Cyanosis Bluish color of the skin due to insufficient oxygen in the blood
Decubitus ulcer A deterioration of the skin due to constant pressure on the area
Dermatitis Inflammation of the skin
Dermis True skin; lying immediately beneath the epidermis
Eczema Acute or chronic non-contagious inflammation of the skin
Epidermis Outermost layer of skin
Erythema Redness of the skin due to dilation of the capillary Network
Eschar Black and skin that is usually a result of third-degree Burns
First-degree (superficial) burn Burn that affects only the epidermal layer
Fissure A groove or cracklike break in the skin
Genital herpes A sexually transmitted recurrent disease caused by a virus
Hair follicle Inpocketing of the epidermis that holds the hair root
Herpes Contagious viral infection in which small blisters appear
Hyperthermia Condition in which the body temperature rises above normal
Hypothermia A condition in which the body temperature drops below normal
Impetigo Acute and contagious skin disease
Integumentary system All organs and structures that make up the skin
Jaundice Yellowish coloring of the skin
Keratin Chemical belonging to albuminoid or scleroprotein Group found in horny tissue, hair, and nails
Laceration A tear or Jagged wound in the skin
Lice Parasitic insects found usually in the hair; highly contagious
Malignant melanoma A type of tumor that develops in the pigmented cells of the skin called melanocytes
Medulla Inner portion of an organ
Melanin Pigment that gives color to Hair, Skin, and eyes
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
Papillae Ridges formed in the lower edge of the stratum germinativum, they raise the skin into permanent ridges that form fingerprints
Psoriasis Chronic inflammatory skin disease with silvery patches
Ringworm Contagious fungal infection with raised circular patches
Root (1) the part of a tooth that is embedded into the alveolar process of the jaw; (2) the part of the 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; measurement of the percentage of body burned: the body is divided into 11 areas, with each area accounting for 9% of the total body surface
Sebaceous gland Gland that secretes sebum, a fatty material
Sebum Secretion of sebaceous glands that lubricate the skin
Second degree (partial-thickness) burn Affects the epidermis and dermis layers
Shaft (1) the part of the hair that extends from the skin surface;(2)the diaphysis of a long bone
Shingles(Herpes zoster) Virus infection of the nerve endings
Skin cancer A tumor that develops on the skin
Squamous cell carcinoma Cancer of the epidermis
Stratum corneum The surface layer of the skin
Stratum germinativum The deepest epidermal layer of the skin
Stratum granulosum The epidermal layer where the keratinization process occurs when keratin cells change their shape, lose their nucleus, those 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
Stratus spinosum The epidermal layer that under a microscope looks prickly, this layer contains melanocytes, keratinocytes, and Lambert and cells
Sweat gland 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
Created by: Staceyleeann1972