Questions and Answers
What condition is due to excessive production of sebum?
What layer of skin contains collagen fibers, blood, and lymph vessels and nerves?
Dermis
What is the outermost layer of skin called?
Epidermis
What type of gland secretes an oily substance to nourish the skin and hair?
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What is the layer of skin also known as hypodermis?
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What specialized structure extends from the dermis and forms hair?
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What gland is responsible for waste excretion and temperature regulation?
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In which layer of the skin do hair follicles originate?
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What type of lesion commonly occurs with acne?
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How many functions does the skin have?
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What type of surgery destroys tissue by freezing?
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What viral infection affects the skin surrounding or underneath the nail?
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What creates an individual's characteristic fingerprint pattern?
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What term means pimple?
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What type of macrophages in the skin help defend against microorganisms?
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In what part of the nail is the nail formed?
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What type of skin cancer arises from the epidermis and occurs most often on the scalp and lower lip?
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What type of skin cancer occurs in pigmented cells and metastasizes quickly?
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What is a solid elevated lesion less than 1 cm in diameter called?
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What cells in the dermis release histamine during allergic reactions?
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What highly contagious fungal infection is marked by raised, itchy, circular patches?
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What is the body's outermost layer of epidermis called?
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What is the common form of acne called?
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What viral infection causes a painful rash?
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What is the fungal infection of the feet caused by fungus called?
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What noncontagious inflammation is characterized by redness, itching, and outbreak of lesions?
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What skin infection is caused by Staphylococcus bacteria?
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What are blister-like swellings containing pus called?
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What viral disease causes small blister-like vesicles on the skin or mucous membrane?
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Study Notes
Acne and Skin Conditions
- Acne results from excessive production of sebum, leading to clogged pores.
- Pustules are common lesions associated with acne.
- Acne vulgaris is the most common form of acne.
- Eczema is a noncontagious skin inflammation characterized by redness, itching, and lesions.
- Impetigo is a skin infection caused by staphylococcus bacteria.
- Boils are pus-filled, blister-like swellings.
- Herpes causes eruptions of small blister-like vesicles, affecting skin or mucous membranes.
- Ringworm is a highly contagious fungal infection that presents as raised, itchy, circular patches.
- Athlete's foot is a fungal infection specifically affecting the feet.
- Shingles is a viral infection known for causing a painful rash.
Skin Structure and Functions
- The integumentary system comprises multiple layers of skin: epidermis, dermis, and subcutaneous (hypodermis).
- The epidermis is the outermost, keratinized layer serving as a protective barrier.
- The dermis contains collagen fibers, blood vessels, lymph vessels, nerves, and hair follicles.
- Hair follicles originate in the dermis and extend through the epidermis to form hair.
- Sebaceous glands are located in the dermis and secrete an oily substance to nourish skin and hair.
- Sweat glands serve to excrete waste and regulate body temperature.
Skin Cells and Cancer
- Langerhans cells in the skin act as macrophages, defending against microorganisms.
- Squamous cell carcinoma is a skin cancer arising from the epidermis, commonly found on the scalp and lower lip.
- Malignant melanoma originates in pigmented cells and is known for rapid metastasis.
Specialized Skin Features
- The stratum corneum is the outermost layer of the epidermis, providing protection.
- Papillae create unique fingerprints through their ridge patterns on the inner surfaces of fingers.
- The nail matrix is the area where nail growth occurs.
- Mast cells in the dermis release histamine during allergic reactions, playing a role in immune response.
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Description
Test your knowledge of the integumentary system with these flashcards. This quiz covers important terms such as acne, dermis, epidermis, and sebaceous glands. Perfect for students studying basic anatomy!
