Term
| a-, an-: Absence of, without, not |
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Definition
| The absence of sweating, which can result from damage to sweat glands, certain medications, or neurological disorders, potentially leading to overheating or heatstroke. |
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Term
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Definition
| Bilateral – Pertaining to both sides, such as a bilateral rash that appears symmetrically on both sides of the body, often associated with systemic conditions like lupus. |
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Term
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Definition
| Diaphoresis – Excessive sweating, which may be a symptom of fever, physical exertion, or underlying conditions like hyperthyroidism or a heart attack. |
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Term
| dys-: Difficult, painful, abnormal, labored |
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Definition
| Dysplasia – Abnormal development or growth of tissue, often referring to precancerous changes in the skin or mucous membranes, such as cervical dysplasia |
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Term
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Definition
| Epidermis – The outermost layer of the skin, which acts as a protective barrier against environmental damage, pathogens, and water loss. |
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Term
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Definition
| Hyperkeratosis – Thickening of the skin’s outer layer due to excessive keratin production, often seen in conditions like psoriasis, calluses, or warts. |
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Term
| hypo-: Deficient, below, under, incomplete |
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Definition
| Hypodermic – Pertaining to beneath the skin, often used to describe injections administered into the subcutaneous tissue for rapid absorption of medications |
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Term
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Definition
| Intradermal – Within the layers of the skin, as in intradermal injections used for allergy testing or tuberculosis screening. |
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Term
| meta-: Change, beyond, after |
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Definition
| Metaplasia – Transformation of tissue from one type to another, such as the conversion of normal skin cells to a tougher type after chronic irritation or injury. |
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Term
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Definition
| Neoplasm – A new growth of abnormal tissue, which can be benign (like a mole) or malignant (like melanoma), requiring medical evaluation for treatment. |
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