bursa

Friction-reducing pouch

A bursa is a small fluid-filled sac that cushions areas where bones, tendons, and muscles meet—typically near joints.

These sacs reduce friction during movement.

When a bursa becomes inflamed, the condition is called bursitis: The doctor diagnosed bursitis in her shoulder.

Plural: bursae or bursas.

anatomy

synovial

Of joint membranes

lubrication · friction · gliding · sheath · pouch · lining · capsule · serous · bursal · olecranon

pathology

swelling

Abnormal tissue enlargement

redness · warmth · stiffness · infection · septic · chronic · acute · calcific · hemorrhagic · traumatic

location

shoulder

Upper arm joint

  • kneeLeg's middle hinge
  • hipFashionable or pelvic joint
  • elbowArm's middle joint

ankle · heel · wrist · rotator cuff · patella · ischium · acromion · iliac

treatment

rest

Cessation of activity

NSAIDs · corticosteroids · injection · physiotherapy · ultrasound · aspiration · antibiotics · immobilization · padding · stretching

Categories
Opposites
anatomical friction management

bursabone spur

Abnormal skeletal outgrowth

bone · adhesion · scar tissue · calcification · ankylosis

tissue composition and function

bursabone

Hard skeletal tissue

cartilage · tendon · ligament · fascia

Phrases
Family

reimburse, disburse, bursar, bursary, bursitis

Familiarity
Top 1,000,000
Profile
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