During the neurological exam, the doctor checked the patient's patellar reflex to assess spinal cord integrity.

During the anatomy class, the professor pointed out the patellas on the skeleton and explained their function.

During the anatomy lab, the professor pointed out the patellae to explain knee joint movement.

The surgeon carefully inspected the patellar ligament before beginning the knee repair.

The physical therapist prescribed exercises to strengthen the patellar tendon and reduce chronic knee pain.

During plant cytokinesis, patellin proteins accumulate at the forming cell plate and coordinate membrane trafficking.

After extensive fractionation, the chemists identified several patellazoles responsible for the extract's potency.

Researchers isolated patellazole from a sample of the marine tunicate Lissoclinum patella and tested its cytotoxicity against cancer cell lines.

The patellariaceous fungi produced small, disc-shaped fruiting bodies on the decaying wood.

The mushrooms bore patelliform caps that resembled miniature kneecaps.