Achromia

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feminine noun (medicine / dermatology / biology)

Definition

The total congenital or acquired absence of normal pigmentation of the skin, hair, or other tissues, caused by the lack or destruction of melanocytes and melanin production. This general medical term covers manifestations such as generalized albinism or completely white patches occurring in advanced vitiligo.

Bilingual Equivalents

  • Achromia
  • Leucoderma (parțial)

Grammatical & Source Details

Inflection Type Feminine noun with regular biological plural structural variations.
Formation Neologistic borrowing via French 'achromie', rooted in the Greek suffix meaning without color.
Spelling / Pronunciation [a.kro.ˈmi.e]
Source Lexicon of Advanced Histopathology and Cutaneous Diseases

Contextual Usage Examples

RO: Tratamentul dermatologic a fost inițiat pentru a stopa o acromie extinsă apărută pe spatele și mâinile pacientului.

EN: The dermatological treatment was initiated to halt an extensive achromia appearing on the patient's back and hands.

RO: O acromie congenitală totală afectează nu doar epiderma, ci și firele de păr, genele și culoarea irisului.

EN: A total congenital achromia affects not only the epidermis but also the hairs, eyelashes, and iris color.

RO: Cercetătorii analizează probele de biopsie pentru a înțelege de ce această formă de acromie refuză repigmentarea cu raze UV.

EN: Researchers analyze the biopsy samples to understand why this form of achromia refuses repigmentation with UV rays.

Idioms & Phrases

Acromie parțială / Partial achromia

RO: Pierdere localizată a culorii pielii sub formă de pete albe bine delimitate, specifică stadiilor incipiente de vitiligo.

EN: Localized loss of skin color in the form of well-defined white patches, specific to the early stages of vitiligo.

Acromie congenitală / Congenital achromia

RO: Absență ereditară a melaninei din organism, întâlnită la subiecții cu diverse tipuri clinice de albinism.

EN: An inherited absence of melanin in the body, found in subjects with various clinical types of albinism.

Zonă de acromie / Zone of achromia / depigmented area

RO: Porțiune de țesut cutanat complet lipsită de melanocite funcționale, sensibilă la arsurile solare.

EN: A portion of skin tissue completely devoid of functional melanocytes, highly sensitive to sunburns.

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