Skeletal System

Front 1

Bone Marrow

Back 1

Soft tissue found inside cavities in bones; produces blood cells

Front 2

Bones

Back 2

A type of connective tissue and an organ of the musculoskeletal system. They provide support for the body and serve as sites of muscle attachments

Front 3

Joints

Back 3

The points at which two bones meet. It provides flexibility.

Front 4

Muscles

Back 4

Bundles of parallel muscle tissue fibers. As the fibers contract they pull whatever they are attached to closer together.

Front 5

Appendicular Skeleton

Back 5

The appendicular skeleton consists of the bones of the upper and lower extremities, shoulder, and pelvis.

Front 6

Axial Skeleton

Back 6

Includes the bones in the head, spine, chest, and trunk.

Front 7

Cartilage

Back 7

Strong, flexible connective tissue found in several locations in the body

Front 8

Osseous Tissue

Back 8

Bony tissue. One of the hardest tissues in the body

Front 9

Ossification

Back 9

The process of bone formation

Front 10

Osteoblasts

Back 10

An embryonic bone cell

Front 11

Osteocytes

Back 11

Mature bone cells

Front 12

Cervical Vertebrae

Back 12

The seven vertebrae in the neck region

Front 13

Coccyx

Back 13

The tailbone, the four small fused vertebrae at the distal end of the vertebral column

Front 14

Cranium

Back 14

The skull; bones that form a protective covering over the brain

Front 15

Ethmoid Bone

Back 15

A cranial bone

Front 16

Facial Bones

Back 16

The skull bones that surround the mouth, nose, and eyes; muscles for chewing are attached to the facial bones.

Front 17

Frontal Bones

Back 17

The forehead bone of the skull

Front 18

Hyoid Bone

Back 18

A single, U-shaped bone suspended in the neck between the mandible and larynx. It is a point of attachment for swallowing and speech muscles.

Front 19

Lacrimal Bone

Back 19

A facial bone

Front 20

Lumbar Vertebrae

Back 20

The five vertebrae in the low back region

Front 21

Mandible

Back 21

The lower jawbone

Front 22

Maxilla

Back 22

The upper jawbone

Front 23

Nasal Bone

Back 23

A facial bone

Front 24

Occipital Bone

Back 24

One of the four cerebral hemisphere lobes; controls eyesight

Front 25

Palatine Bone

Back 25

A facial bone

Front 26

Parietal Bone

Back 26

A cranial bone

Front 27

Rib Cage

Back 27

Also called the chest cavity. It is the cavity formed by the curved ribs extending from the vertebral column around the sides and attaching to the sternum; part of the axial skeleton

Front 28

Sacrum

Back 28

The five fused vertebrae that form a large flat bone in the upper buttock region

Front 29

Sphenoid Bone

Back 29

Another cranial bone

Front 30

Sternum

Back 30

Also called the breast bone; part of the axial skeleton and the anterior attachment for ribs

Front 31

Temporal Bone

Back 31

Another cranial bone

Front 32

Thoracic Vertebrae

Back 32

The 12 vertebrae in the chest region

Front 33

Vertebral Column

Back 33

Part of the axial skeleton. It is a column of 26 vertebra that forms the backbone and protects the spinal cord.

Front 34

Vomer Bone

Back 34

Another facial bone

Front 35

Zygomatic Bone

Back 35

Another facial bone!!!!

Front 36

Carpals

Back 36

The wrist bones in the upper extremity.

Front 37

Clavicle

Back 37

Also called the collar bone; a bone of the pectoral girdle

Front 38

Femur

Back 38

Also called the thigh bone. It is a lower extremity bone

Front 39

Fibula

Back 39

One of the lower leg bones in the lower extremity

Front 40

Humerus

Back 40

The upper arm bone in the upper extremity

Front 41

Ilium

Back 41

One of the three bones that form the os coxae or innominate bone of the pelvis

Front 42

Innominate Bone

Back 42

Also called the os coxae or hip bone; the pelvis portion of the lower extremity; consists of the ilium, ischium, and pubis and unites with the sacrum and coccyx to form the pelvis

Front 43

Ischium

Back 43

One of the three bones that form the os coxae or innominate bone of the pelvis

Front 44

Lower Extremities

Back 44

The legs

Front 45

Metacarpals

Back 45

The hand bones in the upper extremity

Front 46

Metatarsals

Back 46

The ankle bones in the lower extremity

Front 47

Os Coxae

Back 47

Also called the innominate bone or hip bone; it is the pelvis portion of the lower extremity; consists of the ilium, ischium, and pubis and unites with the sacrum and coccyx to form the pelvis

Front 48

Patella

Back 48

Also called the kneecap; a lower extremity bone

Front 49

Pectoral Girdle

Back 49

Consists of the clavicle and scapula; functions to attach the upper extremity to the axial skeleton

Front 50

Pelvic Girdle

Back 50

Consists of the ilium, ischium, and pubis; functions to attach the lower extremity to the axial skeleton

Front 51

Phalanges

Back 51

The finger bones in the upper extremities and the toe bones in the lower extremities

Front 52

Pubis

Back 52

One of the three bones that form the os coxae of innominate bone

Front 53

Radius

Back 53

One of the forearm bones in the upper extremity

Front 54

Scapula

Back 54

Also called the shoulder blade; an upper extremity bone

Front 55

Tarsals

Back 55

ankle bones in the lower extremities

Front 56

Tibia

Back 56

Also called the shin bone; it is a lower extremity bone

Front 57

Ulna

Back 57

one of the forearm bones in the upper extremity

Front 58

Upper Extremities

Back 58

the arms

Front 59

Cancellous Bone

Back 59

The bony tissue found inside a bone; contains cavities that hold red bone marrow; also called spongy bones

Front 60

Compact Bone

Back 60

the hard exterior surface bone; also called the cortical bone

Front 61

Cortical Bone

Back 61

The hard exterior surface bone; also called compact bone

Front 62

Diaphysis

Back 62

The shaft portion of a long bone

Front 63

Epiphysis

Back 63

The wide ends of a long bone

Front 64

Flat Bones

Back 64

A type of bone with a thin flattened shape; ex: scapula, ribs, and pelvic bone

Front 65

Irregular Bones

Back 65

A type of bone having an irregular shape; ex: Vertebrae

Front 66

Long Bones

Back 66

A type of bone that is longer than it is wide; ex: femur, humerus, and phalanges

Front 67

Medullary Cavity

Back 67

The large open cavity that extends the length of the shaft of a long bone; contains yellow bone marrow

Front 68

Periosteum

Back 68

The membrane that covers most bones. Contains numerous nerves and lymphatic vessels

Front 69

Red Bone Marrow

Back 69

Tissue that manufactures most of the blood cells. It is found in cancellous bone cavities.

Front 70

Short Bones

Back 70

A type of bone that is roughly cube shaped.

Front 71

Spongy Bones

Back 71

The bony tissue found inside a bone. Contains cavities that hold red bone marrow; also called cancellous bone

Front 72

Yellow Bone Marrow

Back 72

Located mainly in the center of the diaphysis of long bones; contains mainly fat cells

Front 73

Condyle

Back 73

Refers to the rounded portion at the end of a bone

Front 74

Epicondyle

Back 74

A projection located above or on a condyle

Front 75

Fissure

Back 75

A deep groove or slit-type opening

Front 76

Foramen

Back 76

A passage or opening through a bone for nerves and blood vessels

Front 77

Fossa

Back 77

A shallow cavity or depression within or on the surface of a bone

Front 78

Head

Back 78

The large ball-shaped end of a bone; may be separated from the shaft of the bone by an area called the neck

Front 79

Neck

Back 79

A narrow length of bone that connects the ball of a ball-and-socket joint to the diaphysis of a long bone

Front 80

Process

Back 80

A projection from the surface of a bone

Front 81

Sinus

Back 81

A hollow cavity within a bone

Front 82

Trochanter

Back 82

The large blunt process that provides the attachment for tendons and muscles.

Front 83

Tubercle

Back 83

A small, rounded process that provides the attachment for tendons and muscles

Front 84

Tuberosity

Back 84

A large, rounded process that provides the attachment to tendons and muscles.

Front 85

Articular Cartilage

Back 85

Layer of cartilage covering the ends of bones forming a synovial joint

Front 86

Articulation

Back 86

Another term for a joint, the point where two bones meet.

Front 87

Ball-and-Socket Joint

Back 87

A type of freely moving synovial joint; ex: shoulder and hip joints

Front 88

Bursa

Back 88

A sac-like connective tissue structure found in some joints. It protects moving parts from friction; ex: elbow, knee, and shoulder joints

Front 89

Cartilaginous Joints

Back 89

A joint that allows slight movement but holds bones firmly in place by a solid piece of cartilage.

Front 90

Fibrous Joints

Back 90

A joint that has almost no movement because the ends of the bones are joined together by thick fibrous tissue

Front 91

joint capsule

Back 91

Elastic capsule that encloses synovial joints.

Front 92

ligaments

Back 92

Very strong bands of connective tissue that bind bones together at a joint

Front 93

Pubic Symphysis

Back 93

The point where the left and right pubic bones meet and are held together by a thick piece of cartilage, making it a cartilaginous joint.

Front 94

Sutures

Back 94

The fibrous joints formed between the cranial bones

Front 95

Synovial Fluid

Back 95

The fluid secreted by a synovial membrane in a synovial joint; lubricates the joint and reduces friction

Front 96

Synovial Joint

Back 96

A freely moving joint that is lubricated by synovial fluid

Front 97

Synovial Membrane

Back 97

The membranes that lines a synovial joint; secretes a lubricating fluid called synovial fluid