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103 Cards in this Set

  • Front
  • Back

Bones, muscles, and joints of the body

Musculoskeletal system

Structural support and protection of internal organs

Bones

Internal and external movement

Muscles

Where bones come together/type determined by need for flexibility

Joints

Bind muscles to bones

Tendons

Bind bones to bones

Ligaments

Replacement of cartilage with bone

Ossification

Cells that produce immature bony tissue that replaces cartilage

Osteoblast

Cells that nourish and maintain bone

Osteocytes

Cells that reabsorb or digest bone (remodels bone)

Osteoclast

Proper formation of bone depends on sources of

Calcium, phosphorous, and vitamin D

Enzyme that helps create hard bone

Calcium phosphate

Necessary for nerve transmittal to muscle, including heart muscle and muscles attached to bones

Calcium

Calcium level is maintained in the blood by

Parathyroid gland

Cushions joint and allows it to move smoothly

Articular cartilage

Enlarged area that extends from bones as an attachment for muscles, tendons, and ligaments

Processes

Openings or hollow regions help join bones or serve as passageways for nerves and/or vessels

Depressions

The 6 cranial bones

Frontal, parietal, temporal, occipital, sphenoid, ethmoid

Condition that occurs if maxillary bones do not separate at birth

Cleft palate

Air cavities located in facial and cranial bone that lighten the skull and warm and moisten air as it passes into the respiratory system

Sinuses

Rounded depression in pelvis that joins the femur forming the hip joint

Acetabulum

Outward extension of shoulder blade forming the point of the shoulder

Acromion

Spongy, porous bone tissue in inner part of bone

Cancellous bone

Flexible, connective tissue

Cartilage

Dense, connective tissue protein strands found in bone and other tissues

Collagen

Shaft or mid portion of a long bone

Diaphysis

Flat, round, plate - like structure

Disk

Cartilaginous area at the ends of long bones where lengthwise growth takes in the immature skeleton

Epiphyseal plate

Each end of a long bone; area beyond the epiphyseal plate

Epiphysis

6 facial bones

Lacrimal, mandibular, ancillary, nasal, vomer, and zygomatic

Soft spot between the skull bones of an infant

Fontanelle

Opening of the occipital bone through which the spinal cord passes

Foramen magnum

Minute spaces filled with blood vessels; found in compact bone

Haversian canals

Round process on both sides of the ankle joint

Malleolus

Upper portion of the sternum

Manubrium

Round projection on the temporal bone behind the ear

Mastoid process

Central, hollowed - out area in the shaft of a long bone

Medullary cavity

Flared portion of a long bone, between diaphysis and epiphyseal plate

Metaphysis

Large process on the proximal end of the ulna

Olecranon

Medical doctor who specializes in bone, joint, and muscle conditions

Orthopedist

Bone tissue

Osseous tissue

Membrane surrounding bones; rich in vessels and nerve tissue

Periosteum

Medical doctor who specializes in rehabilitation

Physiatrist

Area of confluence of the two pubic bones

Pubic symphysis

Found in cancellous bone; site of hematopoiesis

Red bone marrow

Depression in the sphenoid bone where the pituitary gland is located

Sella turcica

Pole- like process extending downward from the temporal bone on each side of the skull

Styloid process

Immovable joint between bones

Suture

Supporting bundles of bony fibers in cancellous bone

Trabeculae

Lower, narrow portion of sternum

Xiphoid process

Fatty tissue found in the medullary cavity of most adult long bones

Yellow bone marrow

The knuckle- like process at the end of a bone near the joint

Condyle

Kyph/o

Posterior curvature in thoracic region

Lamin/o

Lamina

Lord/o

Curve

Orth/o

Straight

Scoli/o

Crooked

Spondyl/o

Vertebra

-clast

To break

-listhesis

Slipping

-physis

To grow

-porosis

Pore, passage

Acetabul/o

Acetabulum (hip socket)

Calcane/o

Calcaneus (heal)

Cost/o

Ribs

Ischi/o

Ischium (part of pelvic bone)

Olecran/o

Olecranon (elbow)

Perone/o

Fibula

Bony growth on surface of bone

Exostosis

Inflammation secondary to infection

Osteomyelitis

Congenital abnormality of hindfoot involving the talus

Talipes (clubfoot)

Decrease in bone density; thinning and weakening of bone

Osteoporosis

Coming together of two or more bones

Joint (articulation)

Crescent - shaped fibrocartilaginous structure that partly divides a joint cavity; acts as a protective cushion

Meniscus

Closed sacs of synovial fluid located near a joint

Bursae

Smooth, glistening white tissue that covers the surface of a joint

Articular cartilage

Space between bones at a synovial joint

Synovial cavity

A freely moveable joint

Synovial joint

Ankyl/o

Stiff

Articul/o

Joint

Rheumat/o

Watery flow

-desis

To bind, tie together

Inflammation of any joint

Arthritis

Chronic progressive stiffening of joints, mostly spine

Ankylosing spondylitis

Inflammation due to excessive uric acid in the body

Gouty arthritis

Autoimmune reaction against joint tissue

Rheumatoid arthritis (RA)

Swelling of medial aspect of joint between big toe and first metatarsal bone

Bunion

Chronic inflammatory disease involving joints, skin, kidneys, nervous system, heart and lungs affecting collagen in tendons, ligaments, bones, and cartilage all over the body

Systemic Lupus erythematosus (SLE)

Muscles under voluntary control; move bones as well as face and eyes

Striated

Muscles controlled involuntarily; move internal organs

Smooth

Upward movement of the foot

Dorsiflexion

Fibrous membrane separating and enveloping muscles

Fascia

Connection of the muscle to a bone that moves

Insertion of a muscle

Connection of the muscle to a stationary bone

Origin of a muscle

Bending the sole of the foot downward

Plantar flexion

Leiomy/o

Smooth muscle

Plant/o

Sole of the foot

Rhabdomy/o

Skeletal muscle connected to bone

-asthenia

Lack of strength

Group of inherited diseases with progressive muscle weakness and degeneration without nervous system involvement

Muscular dystrophy

Chronic inflammatory myopathy; may be an autoimmune disorder

Polymyositis

Anterior curve in the lumbar region

Lordosis

Soft bones that can easily become deformed

Osteomalacia (rickets)