patellae

Caps for knees

Patellae is the plural of patella, the kneecap—the small, flat, triangular bone that covers and protects the front of the knee joint.

The term appears primarily in medical and anatomical contexts: Both patellae showed signs of arthritis.

Outside technical writing, kneecaps is the usual choice.

anatomy

kneecap

Bone shielding leg joint

fibula · cartilage · quadriceps · tendon · ligament · joint · synovial · meniscus · condyle · bursa

movement

flexion

Decreasing a joint angle

mobility · articulation · stability · mechanics · reflex · gait · kneeling · squatting · jumping · climbing

injury

fracture

Split in hard material

runner's knee · jumper's knee · arthritis · inflammation · swelling · rehabilitation · surgery · arthroscopy · bracing · taping

Phrases
Family

patella, patellar, patellas

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