Question

Sesamoid bone is derived from
a. Cartilage
b. Areolar tissue
c. Tendon
d. Ligament

Answer 1

The word Sesamoid is derived from the Latin word Sesamum, where it is small ones present in the body which are produced by strain or either as normal variants, The largest sesamoid bone present in the human body is Knee Cap.

Complete answer:
- In the fingers, a small nodular bone which is embedded in the tendons are present, and the calcification of sesamoid bone is useful for detecting the growth during growth spurts, where it is little early in females rather than males, The absence of sesamoid indicates that delay in reaching the puberty.
- It is the bone that is embedded within the tendon or in the muscle.
- The main function of Sesamoid is to act as fully and provide a smooth surface for the tendon to slide so that it increases muscle efficiency.
- Usually, sesamoids are found in the joints throughout the body, they include
Knee - The Patella, is the largest sesamoid bone found in the human body, which is embedded in the tendons.
In hand - Two sesamoids are present which are, the distal portion of 1st and 2nd Metacarpal.
In wrist - Pisiform is the sesamoid bone, it generally begins to ossify at the age of 9 to 12.
In the foot - 2 Sesamoids are present in the 1st metatarsal at its connection to the big toe.
In the ear - The lenticular process of incus forms the sesamoid.

Hence, the correct answer is option (C).

Note: Generally sesamoid bone has very less blood supply or limited blood supply this may be prone to avascular necrosis, and in some dancers, the stress in sesamoid may cause the inflammation, leading to sesamoiditis.