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sesamoid

Upper-Intermediate (B2)

IPA: /ˈsɛsəˌmɔɪd/

KK: /ˈsɛsəˌmɔɪd/

adjective
Definition

Relating to small bones that form in tendons or joint capsules, often helping to reduce friction and improve movement.


Example

The doctor explained that the sesamoid bones in the foot help with walking and running.


Conversation
Sloth A
Did you know there are sesamoid bones in our bodies?
Sloth B
Really? I had no idea!
Sloth A
Yeah, they help with joint movement and cushioning.
Sloth B
That’s fascinating! I’ll have to read more about them.

Synonyms & Antonyms
Synonyms
modular
cartilaginous
tendinous
Antonyms
solid
fixed
immovable
noun
Definition

A small, rounded bone or cartilage found in a tendon, usually near a joint, that helps to reduce friction and improve the leverage of muscles.


Example

The patella is the largest sesamoid bone in the human body, located in the knee.


Conversation
Sloth A
Did you know there are tiny bones called sesamoid bones in our bodies?
Sloth B
Really? I had no idea bones could be that small.
Sloth A
Yeah, they help with movements, especially around joints.
Sloth B
Root Explanation

Sesamoid is formed from "sesamum" (from Latin, meaning sesame) and "-oid" (meaning resembling or like). The term refers to a bone that resembles a sesame seed in shape, typically found in tendons.

Memory Tip

Think of the shape of a sesame seed when you hear 'sesamoid' — it means something that resembles a sesame seed.

Visually Confused Words
desmoid
Is this page helpful?
That's fascinating! I guess they play a bigger role than we think.

Synonyms & Antonyms
Synonyms
nodules
cartilage
bone
Antonyms
none