He has undergone multiple patellectomies.

Her last name is Patella.

Many athletes suffer from patellofemoral pain syndromes.

The patellariaceous fungus was found growing on decaying wood.

The hospital performed multiple patelloplasties last week.

The patient underwent patelloplasty to repair the damaged patella.

The patellamides are a group of natural products with diverse biological activities.

The patellulæ are small shells found on the beach.

There are many patellogastropods on the rocky shore.

The patellogastropod is a type of marine snail.