Questions and Answers
What is a macule?
What is a papule?
Small, solid, raised lesion on the surface of the skin
What does a patch refer to in dermatology?
Define a plaque.
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What is a vesicle?
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What is a bulla?
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What does a pustule contain?
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What is a scale in dermatology?
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Define crust in medical terms.
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What is erosion in dermatology?
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What is a petechia?
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What does urticaria refer to?
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Study Notes
Common Skin Lesions Terminology
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Macule: A flat, colored spot on the skin indicating a localized change in pigmentation; often referred to as a birthmark.
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Papule: A small, solid, raised lesion on the skin's surface; commonly associated with conditions such as warts and acne.
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Patch: A larger, flat, discolored area on the skin, surpassing the size of a macule; often seen in conditions like vitiligo.
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Plaque: A solid formation larger than a papule, confined to the skin surface; frequently observed in ailments like eczema.
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Vesicle: A small blister filled with clear fluid; serves as a common symptom in various skin conditions.
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Bulla (Bullae): A large blister that contains watery fluid; differs from vesicles due to its increased size.
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Pustule: A type of vesicle filled with pus; commonly seen in inflammatory skin disorders.
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Scale: Refers to the accumulation of epithelial cells on the skin surface, indicative of certain skin pathologies.
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Crust: Often recognized as a scab; formed from the drying of serum, blood, or pus, serving as a protective scab over wounds.
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Erosion: Defined as an open area of skin resulting from the loss of part or all of the epidermis; can be seen in infections like herpes.
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Petechia: A small, nonblanchable red or purple spot appearing on the skin due to bleeding; often resembles a bruise.
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Urticaria: Also known as hives; a skin condition featuring itchy, red, and elevated lesions caused by localized swelling.
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Description
This quiz covers essential medical terminology related to common skin lesions. Explore definitions of various skin lesions such as macules, papules, patches, and plaques to enhance your understanding of dermatological terms. Perfect for medical students or anyone interested in dermatology.