He is studying the shape of the coracoid bone.

He is immersed in the study of the rostrum bone.

He is a famous osteologist, studying many fossils.

An intercontinental ballistic missile is a weapon with a very large destructive power.

The launch of intercontinental ballistic missiles has become an international issue.

The intertransversarius muscle is an important part of our body, especially part of the back muscles.

This experience is something I should carve into my bones and engrave in my liver.

He goes to the gym every day to train his brachioradialis muscle.

He is doing a special exercise to strengthen his sternohyoid muscle.

The mylohyoid muscle plays an important role in opening the mouth.