What does sesamoid mean?
The term sesamoid has two primary applications. As an adjective, it describes objects or structures that resemble sesame seeds in shape or size. In anatomy, sesamoid refers to a type of bone that develops within tendons, often near joints. These bones can provide protection, support, and mechanical advantage to the surrounding tissues. Sesamoid bones are found in various parts of the body, including the feet, hands, and knees. Understanding the concept of sesamoid bones is essential in fields like orthopedics and sports medicine, where injuries to these bones can have significant implications for mobility and overall health.
Resembling a sesame seed in shape or size.
"The sesamoid shape of the tumor was unusual."
In anatomy, a type of bone embedded within a tendon.
"The doctor explained that the sesamoid bone in the foot was causing the pain."
In anatomy, sesamoid bones are typically found in tendons that pass over joints.
The plural form is used when referring to multiple sesamoid bones or structures.
"The patient's X-rays showed several sesamoids in the affected area."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of sesamoid
The word sesamoid originates from the Greek words 'sesamon', meaning sesame, and 'eidos', meaning form or shape. This refers to the resemblance of certain objects or structures to sesame seeds. The term has been used in anatomy since the 17th century to describe bones embedded within tendons.
Usage notes
In anatomy, sesamoid bones are typically found in tendons that pass over joints, such as the kneecap and the pisiform bone in the wrist.