Definition of mamelon in English:
A small rounded structure, e.g. the central knob of a tubercle on a sea urchin.
- Associated with mamelons are canals called astrorhizae.
- The only adults with mamelons have an ‘open bite,’ which means that the front teeth don't touch each other, and the wearing off of the mamelons doesn't take place.
- The second type is similar to the first in having laminae and possibly pillars, yet it lacks the mamelons.
Mid 19th century: from French, 'nipple', from mamelle 'breast', from Latin mamilla 'little breast'.
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