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Noun1.amastia - absence of the mammary glands (either through surgery or developmental defect)
surgery - the branch of medical science that treats disease or injury by operative procedures; "he is professor of surgery at the Harvard Medical School"
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies


n. amastia, ausencia de los pechos.
References in periodicals archive ?
Es una enfermedad del desarrollo muscular extremadamente rara, congenita, y que representa la combinacion del desarrollo parcial o total del musculo pectoral mayor con una anomalia de la mano homolateral, acompanada o no por sindactilia/ braquidactilia homolateral, agenesia o hipoplasia de otros musculos de la pared toracica, atelia, amastia o hipoplasia mamaria y costillas deformes o ausentes.
INTRODUCTION: Congenital anomalies of breast may present as Amastia (Absence of breast tissue) Athelia (Absence of the nipple), neonatal breast hypertrophy, polymastia (Accessory breast tissue) Polythelia (Supernumerary nipples), symmastia (Webbing between the breasts across the midline) Diffuse hypertrophy of the breast, and Tuberous breast (Breast is elongated from a narrow base to take a sausage-shaped contour, with a disproportionately large and protuberant areola and nipple).
Besides these deformities, children are also diagnosed with Amastia, a total absence of breast tissue and nipple-areola, congenital nipple inversion which is caused by tethering and shortening of breast ducts, and development of fibrous bands behind the nipples during intrauterine life.