A rare condition wherein the normal growth of the breast or nipple does not occur. Unilateral amastia (just on one side) is often associated with absence of the pectoral muscles. Bilateral amastia (with absence of both breasts) is associated in 40% of cases with multiple congenital anomalies (birth defects) involving other parts of the body as well. The condition is thought to be described in the Bible "We have a little sister, and she hath no breasts" (Song of Solomon VIII:8). Amastia is distinguished from amazia wherein the breast tissue is absent, but the nipple is present. Amazia typically is a result of radiation or surgery.
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Absence of the breasts. [G. a- priv. + mastos, breast]

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amas·tia (')ā-'mas-tē-ə n the absence or underdevelopment of the mammary glands

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amas·tia (ə-masґte-ə) [a-1 + mast- + -ia] congenital absence of the mammae; sometimes applied to masculine breast characteristics in an adult female. Called also amazia.

Medical dictionary. 2011.

Look at other dictionaries:

  • Amastia — Classification and external resources ICD 10 Q83 ICD 9 611.8 …   Wikipedia

  • amastia — f. anat. patol. Falta congénita de glándulas mamarias. Medical Dictionary. 2011. amastia ausencia de mama. Puede ser bilateral o unila …   Diccionario médico

  • amastia — medical Latin, from Gk. amastos without breasts, from privative prefix a + mastos breast (see MASTO (Cf. masto )) …   Etymology dictionary

  • amastia — s. f. Ausência total ou parcial de mamas …   Dicionário da Língua Portuguesa

  • Amastia — bekrūtystė statusas T sritis gyvūnų raida, augimas, ontogenezė, embriologija atitikmenys: lot. Amastia ryšiai: platesnis terminas – pieno liaukos sutrikimas …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • Amastia — bekrūtystė statusas T sritis embriologija atitikmenys: lot. Amastia ryšiai: platesnis terminas – bendrosios dangos ydos siauresnis terminas – daugiakrūtystė siauresnis terminas – didelės pieno liaukos siauresnis terminas – didžiakrūtystė… …   Medicininės histologijos ir embriologijos vardynas

  • amastia — a·ma·stì·a s.f. TS med. mancanza congenita di una o di entrambe le mammelle {{line}} {{/line}} DATA: 1955. ETIMO: der. di mastia con 1a …   Dizionario italiano

  • amastia — pl.f. amastie …   Dizionario dei sinonimi e contrari

  • amastia — amas·tia …   English syllables

  • amastia — noun absence of the mammary glands (either through surgery or developmental defect) • Topics: ↑surgery • Hypernyms: ↑abnormality, ↑abnormalcy * * * (ˈ)āˈmastēə noun ( s) Etymology …   Useful english dictionary

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