Ch 7--Skeletal System Flashcards
Osteoclasts
Other bone cells that break down and reabsorb remaining material of osteocytes
Osteoblasts
Create new bone cells
Ossification or osteogenesis
Process of bone formation
Why is there a continual turnover of bone?
To ensure bone tissue remains strong and that bones mold themselves to match the stress put on them
Remodeling
The breakdown and renewal of bone
What makes up the axial skeleton
Skull, vertebral column, thoracic cage, and hyoid bone.
What makes up the appendicular skeleton?
Pectoral and pelvic girdles and the arms and legs
The cranial bones are:
Frontal bones, parietal bones
Occipital bones, temporal bones
Sphenoid bone, ethmoid bone
The facial bones are
Nasal bones, zygomatic bones
Vomer, maxilla
Mandible, nasal conchae (turbinates)
Lacrimal bones
Osteocytes
Mature bone cells. Limited life span
Vertebral column
33 vertebra
Breakfast at 7 (7 cervical), lunch at noon (12 thoracic) and dinner at 5 (5 lumbar. A slipped disc is called a herniated disc.
Annulus fibrosus
Tough outer layer of cartilage in the discs.
Nucleus pulposus
Soft gel like inner portion of the disc.
Thoracic Cage
Sternum, 12 pairs of ribs
Costal cartilage, and thoracic vertebra.
Pectoral girdle
Collarbones or clavicles, and shoulder blades or scapulae
Pelvic girdle
Two coxal bones; joined anteriorly at the symphysis pubis and posteriorly at the sacrum.
Coxal bones
Hip bones
Three fused segments that make up the hip bone
Ilium
Ischium
Pubis
Acetabulum
Hip socket
Sacroiliac joint
Joint Where the hip bone joins posteriorly with the sacrum.
Upper extremity consists of
Humerus, ulna, radius, carpals, metacarpals, and phalanges
Upper arm bones
Humerus
Two lower arm bones
Ulna
Radius
Elbow
Olecranon process
Lower extremity consists of
Femur, patella
Fibula, tibia
Tarsals, metatarsals
Phalanges
Bones of the leg
Femur (thighbone)
Patella (knee)
Tibia (shin)
Fibula (lateral bone in lower leg)
Medial malleolus
Projection bump on distal tibia
Lateral malleolus
Projection (bump) on distal FIBULA
Bones of the foot
Tarsals (ankle bones)
Metatarsals (foot bones)
Phalanges (toes)
Calcaneus (heel)
Articular cartilage
Covers end of the bones, preventing friction and allowing painless movement.
Joint is
Union between two bones
Joint structures consist of
Articular cartilage
Joint cavity
Synovial fluid, synovial membrane
Joint capsule
Joints are named after the bones that form the union
Ex: radiocarpal joint-joint between wrist and radius.
Iliofemoral joint-joint between ilium and femur
Kyph/o
Humpback
Lord/o
Swayback
Ped/o
Child
Scoli/o
Curved
Tempor/o
Temporal bone
-porosis
Porous
Myeloma
Benign tumor of the bone marrow
Osteomyelitis
Inflammation of bone and bone marrow
Osteitis
Inflammation of the bone
Osteochondritis
Inflammation of the bone and cartilage
Osteocyte
Mature bone cell
Osteoma
Benign tumor of bone
Ostetome
Instrument used to cut bone
Osteotomy
Process of cutting bone
Endosteum
Inner lining of the shaft of a long bone such as the tibia or ulna
-um structure
Endo-within
Periosteum
The structure around the shaft of a long bone.
Crainofacial
Pertaining to the skull and face
Faci/o=face
Cranioplasty
Surgical repair of the skull
Craniotomy
Incision into the skull
Mandibular
Pertaining to the lower jaw
Temporomandibular joint
Pertaining to the joint between the temporal bone and the lower jaw.
Maxillary
Pertaining to the upper jaw
Achondroplasia
Inadequate cartilage formation resulting in a type of dwarfism
Chondrocyte
Cartilage cell
Chondroma
Benign tumor of the cartilage
Costochondral
Pertaining to the ribs and cartilage
Subcostal
Pertaining to under the ribs
Stern/o
Sternum; breastbone
Costosternal
Pertaining to the ribs and sternum
Sternotomy
Process of cutting the sternum
Xiph/o
Sword
Xiphoid
Distal portion of the sternum; literally means resembling a sword
Cervical
Pertaining to the neck
Coccygeal
Pertaining to the tailbone
Lumbodynia
Pain in the lower back, also known as lumbago
Lumbosacral joint
Pertaining to the joint between the L5 and the sacrum
Sacr/o
Sacrum
Sacrococcygeal joint
Pertaining to the joint between the sacrum and the coccyx
Coccyg/o
Coccyx; tailbone
Spondylitis
Inflammation of the vertebra
Spondlypathy
Any disease of vertebra
Thoracolumbar
Pertaining to the chest and lower back
Costovertebral joint
Pertaining to the joint between a rib and a vertebrae
Intervertebral
Pertaining to between the vertebrae
Clavicul/o
Clavicle; collarbone
Sternoclavicular joint
Pertaining to the joint between the sternum and clavicle
Infraclavicular
Pertaining to below collarbone
Scapul/o
Scapula
Subscapular
Pertaining to below the scapula
Brachi/o
Arm
Brachial
Pertaining to the arm
Brachiocephalic
Pertaining to the arm and head
Carp/o
Wrist
Carpectomy
Excision of a carpal (wrist) bone
Olecran/o
Olecranon (elbow)
Olecranal
Pertaining to the olecranon, a bony projection on the ulna
Interphalanegeal joint
Pertaining to the joint between the phalanges
Radi/o
Radius (one of the bones of the lower arm)
Radiocarpal joint
Pertaining to the joint between the radius and the wrist
Uln/o
Ulnar (one of the bones of the lower arm)
Ulnar
Pertaining to the ulna
Acetabul/o
Acetabulum; hip socket
Acetabuloplasty
Surgical repair of the hip socket.
Iliosacral joint
Pertaining to the joint between the hip and sacrum; also known as the sacroiliac joint
Pelvic
Pertaining to the pelvis
Calcane/o
Heel
Femor/o
Femur; thigh bone
Iliofemoral joint
Pertaining to the joint between the hip and femur
Fibulocalcaneal
Pertaining to the fibula and heel
Patell/a; patell/o
Patella; kneecap
Patellapexy
Surgical fixation of the kneecap
Infrapatellar
Pertaining to below the kneecap
Suprapatellar
Pertaining to above the kneecap
Tibi/o
Tibia; shin
Tibiofibular joint
Pertaining to the joint between the tibia and fibula
Articul/o
Joint
Arthralgia
Joint pain; also known as arhtrodynia
Arthritis
Inflammation of a joint
Arthropathy
Any disease of a joint
Arhtroplasty
Surgical repair of a joint; usually refers to total or partial replacement of the knee or hip joints with a prosthetic device.
Arthroscopy
Process of visually examining the joint cavity by using an arthroscope
Interarticular
Pertaining to between the joints
Burs/o
Bursa (sac filled with synovial fluid located around joints)
Bursitis
Inflamed bursa
Bursectomy
Excision of the bursa
-Blast
Immature
Osteoblast
Immature bone cell
Arthrocentesis
Surgical puncture of a joint to remove fluid. Aspiration of joint cavity
-Clasis
Surgical fracture or refracture
Osteclasis
Surgical fracture or refracture of a bone
-clast
Breakdown
Osteoclast
Bone cell that breaks down bone
Arthrodesis
Surgical fusion of a joint
-genesis
Formation
Osteogenesis
Bone formation; ossification
Chondromalcia
Softening of cartilage
Osteomalacia
Softening of bone
Kyphosis
Humpback; exaggerated posterior curvature of the thoracic spine
Lordosis
Swayback; exaggerated anterior curvature of the lumbar spine
Scoliosis
Abnormal lateral curvature of the spine
-physis
To grow
Diaphysis
The shaft of a long bone
Epiphysis
The bulbous portion of a long bone on both sides of the shaft
Osteoporosis
Loss of bone density resulting in open spaces within bony substances
-sarcoma
Malignant tumor of connective tissue
Chondrosacroma
Malignant tumor of cartilage
Osteosarcoma
Malignant tumor of the bone; also known as osteogenic sarcoma
Ortho-
Straight
Orthopedics
Surgical specialty dealing with the correction of deformities and dysfunctions of the skeletal system
Open fracture
Broken bone
Open cut on skin
Closed fracture
Broken bone
No open skin
Pathological fracture
Bones break bc they are weakened from disease
Comminuted fracture
Bone has splintered
Green stick
Bone is partially broken on one side and bent on the opposite side
Colles’ fracture
Fracture of the distal radius near the wrist
Intra-articular fracture
On the joint surfaces of the bone
ORIF open reduction internal fixation
Screws nails or pins are needed to hold bones together to repair the fracture
Reduction
Placing the bones back together
C
Cervical
C1, C2…C7
First cervical vertebrae, second cervical vertebrae…seventh cervical vertebrae
DDD
Degenerative disc disease
IP
Interphalangeal
L
Lumbar
L1, L2…L5
First lumbar vertebra…
LDD
Lumbar disc disease
MCP
Metacarpophalageal
MSS
Musculoskeletal system
OA
Osteoarthritis
ORIF
Open reduction internal fixation
Ortho
Orthopedics
RA
Rheumatoid arthritis
S1, s2…S5
First sacral vertebra, second sacral vertebra…
T
Thoracic
T1, T2,…T12
First thoracic vertebra…
TKR
Total knee replacement
TMJ
Tempormandibular joint