gynecomastia


gy·neco·mas·tia

noun \ˌgī-nə-kō-ˈmas-tē-ə\

Definition of GYNECOMASTIA

:  excessive development of the breast in the male

Origin of GYNECOMASTIA

New Latin, from gynec- + Greek mastos breast + New Latin -ia
First Known Use: 1881

gy·ne·co·mas·tia

noun    (Medical Dictionary)

Medical Definition of GYNECOMASTIA

: excessive development of the breast in the male

Variants of GYNECOMASTIA

gy·ne·co·mas·tia or chiefly British gy·nae·co·mas·tia \ˈgī-nə-kō-ˈmas-tē-ə, ˈjin-ə-\

gynecomastia

noun    (Concise Encyclopedia)

Breast enlargement in a male. It usually involves only the nipple and nearby tissue of one breast. More rarely, the whole breast grows to a size normal in a female. True gynecomastia is related to an increase in estrogens. Testicular or pituitary-gland tumours commonly cause gynecomastia. Similar conditions (pseudogynecomastia) are caused by excessive body fat, inflammatory disorders, granular lesions, or growth of tumours. Treatment involves hormone therapy, correction of the estrogen disorder, or tumour removal.

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