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Ch.3: The Skeletal System Word Parts

Major Structures

Related Combining Forms

Primary Functions

Bones

oss/e, oss/i, oste/o, ost/o

Act as the framework for the

body, protect the internal

organs, and store calcium

Bone Marrow

myel/o (also means spinal cord)

Red bone marrow helps form red

blood cells. Yellow bone marrow stores fat

Cartilage

chondr/o

Creates a smooth surface for

motion within the joints and

protects the ends of the bones

Joints

arthr/o

Work with the muscles to make a variety of motions possible

Ligaments

ligament/o

Connect one bone to another

Synovial Membrane

synovi/o, synov/o

Forms the lining of synovial joints and secretes synovial fluid

Synovial Fluid

synovi/o, synov/o

Lubricant that makes smooth

joint movements possible

Bursa

burs/o

Cushions areas subject to friction during movement

ankyl/o - crooked, bent, stiff

arthr/o - joint

burs/o - bursa

chondr/i, chondr/o - cartilage

cost/o - rib

crani/o - skull

-desis - to bind, tie together

kyph/o - bent, hump

lord/o - curve, swayback, bent

lumb/o - lumbar, lower back

myel/o - spinal cord, bone marrow

oss/e, oss/i, ost/o, oste/o - bone

scoli/o - curved, bent

spondyl/o - vertebrae, vertebral column, backbone

synovi/o, synov/o - synovial membrane, synovial fluid

EP

Ch.3: The Skeletal System Word Parts

Major Structures

Related Combining Forms

Primary Functions

Bones

oss/e, oss/i, oste/o, ost/o

Act as the framework for the

body, protect the internal

organs, and store calcium

Bone Marrow

myel/o (also means spinal cord)

Red bone marrow helps form red

blood cells. Yellow bone marrow stores fat

Cartilage

chondr/o

Creates a smooth surface for

motion within the joints and

protects the ends of the bones

Joints

arthr/o

Work with the muscles to make a variety of motions possible

Ligaments

ligament/o

Connect one bone to another

Synovial Membrane

synovi/o, synov/o

Forms the lining of synovial joints and secretes synovial fluid

Synovial Fluid

synovi/o, synov/o

Lubricant that makes smooth

joint movements possible

Bursa

burs/o

Cushions areas subject to friction during movement

ankyl/o - crooked, bent, stiff

arthr/o - joint

burs/o - bursa

chondr/i, chondr/o - cartilage

cost/o - rib

crani/o - skull

-desis - to bind, tie together

kyph/o - bent, hump

lord/o - curve, swayback, bent

lumb/o - lumbar, lower back

myel/o - spinal cord, bone marrow

oss/e, oss/i, ost/o, oste/o - bone

scoli/o - curved, bent

spondyl/o - vertebrae, vertebral column, backbone

synovi/o, synov/o - synovial membrane, synovial fluid

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