Cartilaginous fishes do not have bones, instead their bodies are supported by cartilage.

He injured the cartilage in his knee.

His articular cartilage has worn down due to age.

He lost his voice due to damage to the thyroid cartilage.

He injured the sesamoid cartilage in his foot.

He explained the structure of the arytenoid cartilage in the throat in detail.

His body is very healthy.

I will attend the meeting in his place.

I will attend the meeting on his behalf.

She always supports me.