Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English

mast(o)-

Breast.

[Greek mastos, breast.]

A mastectomy (Greek ektomē, excision) is a surgical operation to remove a breast; mastology is the medical study of the human breast; mastitis is inflammation of the mammary gland in the breast or udder; a mastodon (Greek odous, odont-, tooth) is an extinct elephant-like mammal whose molar teeth had nipple-shaped tubercles on their crowns. The mastoid process, a conical prominence behind the ear to which the neck muscles are attached, derives its name from Greek mastoeidēs, breast-shaped. See also mammo-.

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