bursas
Fluid-filled pouches
Bursas is the plural of bursa, a small fluid-filled sac that cushions bones, tendons, and muscles near joints.
The body has over 150 bursae—at the shoulder, elbow, hip, knee.
When inflamed, the condition is bursitis: The doctor said my knee pain was from inflamed bursas.
Of joint membranes
- sacBodily pouch structure
- membraneThin tissue sheet
- serousOf thin, watery secretion
- fluid-filledContaining liquid matter
Protective tissue response
- swellingAbnormal tissue enlargement
- painBodily or emotional distress
- tendernessGentle, caring quality
- rednessCrimson-hued state
warmth · effusion · septic · infected · chronic · acute · calcific · hemorrhagic
Upper arm joint
- elbowArm's middle joint
- kneeLeg's middle hinge
- hipFashionable or pelvic joint
- heelFoot's rear underside
ankle · wrist · patella · Achilles · ischial tuberosity · acromion · calcaneus · metatarsal
Stuffed fabric for comfort
- bufferProtective intermediate space
- lubricationCoating to reduce friction
- glidingEngineless aerial movement
- protectionGuarding against harm
synovial
Of joint membranes
fluid-filled · olecranon · ischial · lubrication · cushioning
inflammation
Protective tissue response
- swellingAbnormal tissue enlargement
- painBodily or emotional distress
- tendernessGentle, caring quality
redness · warmth · effusion · septic · infected · chronic · acute · calcific · hemorrhagic · aspiration
shoulder
Upper arm joint
heel · ankle · wrist · patella · Achilles · ischial tuberosity · acromion · calcaneus · metatarsal
cushion
Stuffed fabric for comfort
- bufferProtective intermediate space
- lubricationCoating to reduce friction
- glidingEngineless aerial movement
bursasbones
Rigid internal support structure
bone spurs · adhesions · ankylosis · calcifications · cartilage
- bursar's officeSchool's financial administrator location