One of the mysteries of the English language finally explained.
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.’
- ‘On females note the uterus, ovary, vulva, and on males note the testis, ejaculatory duct, and the mamelons.’
- ‘Thus, though in Arceuthobium the mamelon is always free from the ovary walls, in Loranthus a series can be traced through forms in which there is a temporary chamber filled by later growth of the mamelon.’
Mid 19th century: from French, ‘nipple’, from mamelle ‘breast’, from Latin mamilla ‘little breast’.
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