W3 Integumentary system terminology 2024 R.pdf

Medical Terminology Integumentary System  Learning Objectives 01 02 03 04 Define anatomy Recognize, the Identify main Interpret of main functions medical abbreviations integumentary of the...

Medical Terminology Integumentary System  Learning Objectives 01 02 03 04 Define anatomy Recognize, the Identify main Interpret of main functions medical abbreviations integumentary of the terminology used in the system integumentary related to study and system integumentary treatment of the system skin. Select the best correct answer: 1. The uppermost portion of the skin is 3. A pigmented skin tumor is a(n): called the: a. chondrosarcoma a. fossa b. melanoma b. cuticle c. lymphoma c. epidermis d. Adenoma d. epiphysis 2. The glands that secrete an oily 4. The root hidr/o pertains to: substance that lubricates the skin are the: a. saliva a. mammary glands b. tears b. sebaceous glands c. Mucus c. sweat glands d. sweat d. ceruminous glands Overview of the Integumentary System The integumentary system includes the skin, hair, nails, and various glands related to the skin. It serves as the first line of defense against environmental hazards and pathogens. Functions include protection, regulation of body temperature, and sensation. Anatomy of the Skin Epidermis: - Outermost layer, consisting of multiple layers of keratinized cells. - It provides a barrier to protect against pathogens, UV radiation, and physical injury. Dermis - Middle layer, containing blood vessels, nerves, and glands - Rich in collagen and elastin fibers, providing strength and elasticity. Subcutaneous Layer - Deepest layer contains fat cells and connective tissue. - It serves as insulation, energy storage, and cushioning for underlying structures. Related structures Sweat Glands Sebaceous Glands Produce sebum (oil) to lubricate skin and hair. Hair and nails Functions of the Skin Protection Acts as a barrier against physical damage, pathogens, and UV radiation. Sensation Contains sensory receptors for touch, pain, temperature, and pressure. Temperature Regulation Terminology of skin "Derma" (Greek) means "skin" and is used in terms like xeroderma and scleroderma. Dermatology is the study of the skin "Cutaneous" (Latin) refers to the skin. Root Meaning Example Definition of Example derm/o, dermat/o skin dermabrasion surgical procedure used to resurface the skin and remove imperfections kerat/o keratin, horny layer of the skin keratinous containing keratin; horny melan/o dark, black, melanin melanosome a small cellular body that produces melanin hidr/o sweat, perspiration anhidrosis absence of sweating seb/o sebum, sebaceous gland seborrhea excess flow of sebum (adjective: seborrheic) trich/o hair trichomycosis fungal infection of the hair onych/o nail onychia inflammation of the nail and nail bed (Note: not an itis ending) Source: Online Etymology Dictionary  Some related terms Erythema: diffuse redness of the skin Exudate: Material, which may include fluid, cells, pus, or blood, that escapes from damaged tissue Scars: Fibrous tissue replacing normal skin after injury. Keloid: A raised, thickened scar caused by tissue overgrowth during scar formation Pruritus: Severe itching Diaphoresis: Profuse sweating Photosensitization: Sensitization of the skin to light, usually from the action of drugs, plant products, or other substances  Classification of skin disorders Burns: Classified by depth: first-degree, second-degree, third and fourth degrees Infections Impetigo Bacterial: such as impetigo. Viral: such as herpes simplex. Fungal: such as tinea. Melanoma Cancer Such as Melanoma: aggressive, originates from melanocytes  Classification of skin disorders Inflammatory Conditions Dermatitis Atopic Dermatitis (Eczema): Hereditary, allergic condition with pruritus; treated with moisturizers and corticosteroids. Psoriasis: autoimmune condition with red, scaly lesions due to overgrowth (hyperplasia) of the epidermis. Atopic dermatitis Vitiligo Psoriasis Pigmentation Disorders Vitiligo: loss of pigment. Albinism Albinism: hereditary lack of pigment. Additional skin conditions Acne: Causes: Excess sebum, clogged pores, bacteria. Alopecia: Hair loss. Hirsutism: Excessive hair growth. Dermatophytosis : Skin fungal infection  Match the following conditions with their descriptions: a. Eczema a. Patchy loss of skin pigmentation. b. Alopecia b. Chronic skin condition characterized by itchy, inflamed patches. c. Vitiligo c. Hair loss, which may be partial or complete. d. Impetigo d. A raised, thickened scar caused by excess e. Keloid collagen formation. e. Bacterial skin infection, often seen in children. Complete the following medical terms by filling in the blanks with the correct prefix, suffix, or root word. a. The outermost layer of the skin is called the __________. b. __________ is the term for the skin’s ability to return to its normal shape after being stretched or compressed. c. __________ are oil-producing glands that help keep the skin and hair moisturized. d. The pigment that determines the color of skin, hair, and eyes is __________. e. __________ is the chronic skin condition characterized by red, itchy patches covered with silvery scales. f. The thickened, tough outer layer of the epidermis is called the __________ layer. g. __________ is a protein that forms the main structure of the skin, hair, and nails Give the most probable diagnosis for each case a. A 45-year-old male presents with painful, fluid-filled blisters on the right side of his chest and back. He reports that the pain began a few days before the blisters appeared and is described as a burning sensation. b. A 35-year-old woman presents with red, scaly patches on her elbows and knees. She reports that the patches have been present for several months and are accompanied by itching. c. A 70-year-old man with a history of chronic sun exposure comes in with a new, rapidly growing lesion on his face. The lesion is dark and irregular in shape.  Match the following terms with their correct definitions: a. Keratin a. A small fluid-filled blister. b. Melanoma b. Overproduction of sebum, leading to oily skin. c. Seborrhea c. A dark pigment produced in the skin. d. Vesicle d. A fungal infection of the nail. e. Onychomycosis e. A type of skin cancer originating from melanocytes.