sesamoid

sesame +‎ -oid

sesamoid (comparative more sesamoid, superlative most sesamoid)

1. Resembling a sesame seed in size or shape.
2. Of or relating to a sesamoid bone.

sesamoid (plural sesamoids)

1. (anatomy) A sesamoid bone or sesamoid cartilage.
   • 2021, Jonathan Bard, Evolution: The Origins and Mechanisms of Diversity, page 257:

     There are also at least two examples of more complex ectopic digits. The first is in the aye-aye, a Madagascan lemur, which has a distinct pseudothumb on its forelimb consisting of a bony part that is an expanded radial sesamoid and a dense cartilaginous extension (Hartstone-Rose et al., 2019).

• sesamoidal
• sesamoiditis

Borrowed from French sésamoïde.

sesamoid m or n (feminine singular sesamoidă, masculine plural sesamoizi, feminine and neuter plural sesamoide)

1. sesamoid