mast/o
breast
From Greek mastos, breast
Meaning
What does mast/o mean?
mast/o is a root meaning breast. It comes from Greek mastos, breast.
Inside words it is spelled mast.
Mastoid, the bone behind the ear, means breast-shaped; mast cells are unrelated (German Mast, fattening).
In real words
Medical words with mast/o
abnormal enlargement of breast tissue in a male · UK spelling: gynaecomastia
surgical removal of all or part of a breast, usually to treat breast cancer
inflammation of the breast, most common during breastfeeding
mastalgia
pain in the breast
the mastoid process, a bony bump of the temporal bone behind the ear, or relating to it
surgery to lift a sagging breast and fix it in a higher position
mastodynia
pain in the breast; also called mastalgia
Sources
Checked against
Written for biofideX in plain words, after checking these references:
- 7.2: Word Components Related to the Female Reproductive System
- Appendix A: Word Parts and What They Mean
Spotted a mistake? Tell us and we'll correct it.
Female reproduction
mast/o is one of 13 parts in this lesson. Learn them together, then take real words apart.
Start the Lesson