Ch 3 Flashcards
Skeleton
Bones provide the rigid framework of the body. Protects and supports the body and consists of bones, cartilage, joints, ligaments, and tendons. Consists of 206 bones, up to 350 bones. Divided into the axial and appendicular skeletal systems
Oss/e
Oss/I
Oste/o
Ost/o
Bones, act as a framework for the body, protect the internal organs and store calcium
Myel/o
Bone marrow or spinal cord, red bone marrow helps form red blood cells. Yellow bone marrow stores fat
Chondr/o
Cartilage, creates a smooth surface for motion within the joints and protects the ends of the bones
Arthr/o
Joints, work with the muscles to make a variety of motions possible
Ligament/o
Ligaments, connect one bone to another
Synovi/o
Synov/o
Synovial membrane, forms the lining of synovial joints and secretes synovial fluid. Also synovial fluid
Burs/o
Bursa, cushion areas subject to friction during movement
Ankyl/o
Crooked, bent, stiff
Cost/o
Rib
Crani/o
Skull
-desis
To bind or tie together
Kyph/o
Bent or hump
Lord/o
Curve, swayback bent
-lysis
Setting free or loosening. Also means breaking down or destruction and may indicate either a pathologic state or therapeutic procedure
Scoli/o
Curved or bent
Spondyl/o
Vertebrae, vertebral column, backbone
Acetabulum
Ass-eh-tab-you-lum
The large circular cavity in each side of the pelvis that articulates with the head of the femur to form the hip joint, commonly known as the hip socket
Allogenic
Originating within another
Ankylosing spondylitis
Ang-kih-loh-sing spon-dih-lye-tis
A form of rheumatoid arthritis that primarily causes inflammation of the joints between the vertebrae. Ankylosing means progressive thickening of a joint or joints, spondyl means vertebrae, -itis means inflammation
Arthrodesis
Ar-throh-dee-sis
The surgical fusion of two bones to stiffen a joint. Also known as surgical ankylosis. Arthr/o means joint, -desis means to bind, tie together. This procedure is performed to treat severe arthritis or damaged joint
Arthrolysis
Ar-throl-ih-sis
The surgical loosening of an ankylosed joint. Arthr/o means joint, -lysis means loosening or setting free
Arthroscopy
The visual examination of the internal structure of a joint using an arthroscope. Arthr/o means joint, -scopy means visual examination
Autologous
Originating within the individual
Avascular necrosis
An area of bone tissue death caused by insufficient blood flow. Also known as osteonecrosis. A- means without, vascul means blood vessels,-ar means pertaining to, necrosis means tissue death. Very common in hip joint which requires hip replacement
Chondromalacia
Kon-droh-mah-lay-shee-ah
The abnormal softening of cartilage
Comminuted fracture
A fracture in which the bone is splintered or crushed
Compression fracture
Occurs when the bone is pressed together on itself
Costochondritis
Kos-toh-kon-drigh-tis
An inflammation of the cartilage that connects a rib to the sternum
Craniostenosis
A malformation of the skull due to the premature closure of the cranial sutures. Crani/o means skull, -stenosis means abnormal narrowing
Crepitation
The grating sound heard when the ends of a broken bone move together. Also known as crepitus. This term refers to any unusual crackling sound or sensation within the body. Frequently describes the popping or clicking sound heard in the movements of some joints
Dual x-ray absorptiometry
Ab-sorp-shee-om-eh-tree
A low-exposure radiographic measurement of the spine and hips that measure bone density
Gout
A type of arthritis characterized by deposits of uric acid crystals in the joints, usually begins with the big toe. Also known as gouty arthritis. Joints affected by gout are typically warm, red, excruciatingly sensitive
Hallux valgus
An abnormal enlargement of the joint at the base of the great toe, also known as bunion
Hemarthrosis
Blood within a joint
Hemopoietic
Hee-moh-poy-et-ick
Pertaining to the formation of blood cells. Hem/o means blood, -poietic means pertaining to formation. Also called hematopoietic
Internal fixation
A fracture treatment in which a plate or pins are placed directly into the bone to hold the broken pieces in place
Juvenile rheumatoid arthritis
An autoimmune disorder that affects children ages 16 or younger, with symptoms that include stiffness, pain, joint swelling, skin rash, fever, slowed growth, fatigue
Kyphosis
An abnormal increase in the outward curvature of the thoracic spine as viewed from the side, also known as humpback or dowager’s hump. Kyph means hump, -osis means abnormal condition or disease
Laminoectomy
The surgical removal of a lamina from a vertebra. Lamin means lamina, -ectomy means surgical removal
Lordosis
An abnormal increase in the forward curvature of the lumbar spine, also known as swayback. Lord means bent backward, -osis means abnormal condition or disease
Lumbago
Pain in the lumbar region of the spine, also known as low back pain. Lumb means lumbar, -ago means diseased condition
Malleolus
The rounded bony projection on the tibia and fibula on the sides of each ankle joint
Manubrium
The bony structure that forms the upper portion of the sternum
Metacarpals
The five bones that form the palms of the hand
Metatarsals
The bones that form the part of the foot to which the toes are attached
Myeloma
A type of cancer that occurs in blood-making cells found in the red bone marrow. Myel means bone marrow, -oma means tumor. This condition can cause pathologic fractures and is often fatal
Open fracture
A break in which the bone is broken and there is an open wound in the skin, also known as compound fracture
Orthopedic surgeon
A physician who specializes in diagnosing and treating diseases and disorders involving the bones, joints, and muscles, also known as orthopedist
Orthotic
A mechanical appliance such as a leg brace or splint that is specially designed to control, correct, or compensate for impaired limb function
Osteitis
Inflammation of the bone, also spelled as ostitis. Oste means bone, -iris means inflammation
Osteoarthritis
The type of arthritis most commonly associated with aging, also known as wear-and-tear arthritis. Oste/o means bone, arthr means joint, -itis means inflammation. OA. Known as a degenerative joint disease because it is characterized by the wearing away of the articular cartilage within the joints. Also characterized by hypertrophy of bone and formation of osteophytes
Osteochondroma
A benign bony projection covered with cartilage. Oste/o means bone, chondr means cartilage, -oma means tumor. Also known as exostosis ( plural exostoses)
Osteoclasis
The surgical fracture of a bone to correct a deformity
Osteomalacia
Abnormal softening of bones in adults, also known as adult rickets. Oste/o means bone, -malacia means abnormal softening. This condition is caused by a deficiency of vitamin D, calcium, phosphate
Osteomyelitis
Inflammation of the bone marrow and adjacent bone. Oste/o means bone, myel means bone marrow, -itis means inflammation. The bacterial infection that causes osteomyelitis often originates in another part of the body and spreads to the bone via the blood
Osteopenia
Thinner-than-average bone density. Oste/o means bone, -penia means deficiency. This describes the condition of someone who does not yet have osteoporosis but has a greater than average chance of developing it
Osteoporosis
A marked loss of bone density and an increase in bone porosity frequently associated with aging. Oste/o means bone, por means small opening, -osis means abnormal condition or disease
Osteoporotic hip fracture
A broken bone usually caused by weakening of the bones due to osteoporosis and can occur either spontaneously or as the result of a fall
Osteorrhaphy
Surgical suturing or wiring together of bones
Paget’s disease
A disease of unknown origin that is characterized by extensive breakdown of bone tissue, usually in the pelvis, skull, spine, legs, followed by abnormal bone formation. The new bone is often structurally enlarged, misshapen and weak. Named for Sir James Paget.
Percutaneous vertebroplasty
A minimally invasive procedure performed to treat osteoporosis-related compression fractures of the spine. Vertebr/o means vertebra, -plasty means surgical repair. Bone cement is injected to stabilize compression fractures within the spinal column
Periostitis
An inflammation of the periosteum. Peri- means surrounding, ost means bone, -itis means inflammation. This condition is often associated with shin splints
Podiatrist
A specialist in diagnosing and treating disorders of the foot. Holds a Doctor of Posiatry (DP). Pod means foot, -iatrist means specialist
Polymyalgia rheumatica
An inflammatory disorder of the muscles and joints characterized by pain and stiffness in the neck, shoulders, upper arms, and hips, thighs
Prosthesis
A substitute for a diseased or missing body part, such as a leg that has been amputated. Plural prostheses
Rheumatoid arthritis
A chronic autoimmune disorder in which the joints and some organs of other body systems are attacked. RA. as RA attacks the synovial membranes, they become inflamed and thickened so that the joints are increasingly swollen, painful, and immobile
Rickets
A deficiency disease occurring in children characterized by defective bone growth and caused by a lack of vitamin D necessary for the body to maintain calcium and phosphorus levels in the bones
Scoliosis
An abnormal lateral (sideways) curvature of the spine. Scoli means curved, -osis means abnormal condition or disease
Spina bifida
A congenital defect that occurs during early pregnancy in which the spinal canal fails to close completely around the spinal cord to protect it. Spina means pertaining to the spine, bifida means split. Some cases are due to a lack of nutrient folic acid during the early stages of pregnancy
Spiral fracture
A fracture in which the bone has been twisted apart
Spondylolisthesis
The forward slipping movement of the body of one of the lower lumbar vertebrae on the vertebra or sacrum below it. Spondyl/o means vertebrae, -listhesis means slipping
Spondylosis
A degenerative disorder that can cause the loss of normal spinal structure and function, also known as spinal osteoarthritis. Spondyl means vertebrae, -osis means abnormal condition or disease
Subluxation
The partial displacement of a bone from its joint
Synovectomy
The surgical removal of a synovial membrane of a joint. Synov means synovial membrane, -ectomy means surgical removal. One use of this procedure, which can be performed endoscopically, is to repair joint damage caused by rheumatoid arthritis
Vertebrae
The bony structural units of a spinal column
Ossification
Newborn’s skeleton begins as fragile membranes and cartilage, but after three months it starts turning into bone which continues through adolescence
Osteoclasts
Process of new bone formation, break down old or damaged bones
Osteoblasts
Help rebuild the bone
Bone
Form of connective tissue that is the second hardest tissue in the human body. Dental enamel is harder than bone
Periosteum
Tough, fibrous tissue that forms the outermost covering of bone. Peri- means surrounding, oste means bone, -um means noun ending
Compact bone
Also known as cortical bone, dense, hard, and very strong bone that forms the protective outer layer of bones. This bone Accounts for more than 75% of the body’s bone matter
Spongy bone
Also known as cancerous bone, porous (sponge-like) which makes it lighter and weaker than compact bone. Red bone marrow is often located within this spongy bone, which is commonly found in the ends and inner portions of long bones as well as in the pelvic bones, ribs, and the vertebrae of the spinal column. Bones with large percentage of spongy bones are weaker and more susceptible to fractures
Long bones
Femur and humerus
Medullary cavity
Central cavity located in the shaft of long bones, where it is surrounded by the compact bone. Red and yellow bone marrow are stored
Medullary
Pertaining to the inner section
Endosteum
Tissue that lines the medullary cavity. End- means within, oste means bone, -um means noun ending
Red bone marrow
Located within the spongy bone, is a hemopoietic tissue that manufactures red blood cells, hemoglobin, white blood cells, and thrombocytes
Yellow bone marrow
Functions as a storage area. Composed chiefly of fat cells and is located in the medullary cavity of long bones. Most bone marrow is red at birth til adolescence, half gets replaced by yellow bone marrow
Cartilage
Smooth, rubbery, blue-white connective tissue that acts like a shock absorber between bones. More elastic than bone, outer ear and tip of the nose
Articular cartilage
Covers the surfaces of bones where they articulate, or come together, to form joints. Makes smooth joint movement possible and protects the bones from rubbing against each other
Articulate
Come together
Meniscus
Curved, fibrous cartilage found in some joints, such as the knee and the themporomandibular joint of the jaw
Diaphysis
Shaft of a long bone
Epiphyses
Wider ends of long bones such as the femurs of the legs.
Singular-epiphysis.
Each epiphysis is covered with articular cartilage to protect it
Proximal epipyhsis
The end of the bone located nearest to the midline of the body
Distal epipyhsis
The end of the bone located farthest away from the midline of the body
Foramen
Foh-ray-men
An opening in a bone through which blood vessels, nerves, and ligaments pass
Singular- foramina
Ex, spinal cord passes through foramen magnum of the occipital bone at the base of the skull
Process
Normal projection on the surface of a bone that most commonly serves as an attachment for a muscle or tendon.
Ex, mastoid process is the bony projection located on the temporal bones just behind the ears
Joints
Also known as articulations. Place of union between two or more bones.
Joints are classified either according to their construction or based on the degree of movement they allow
Fibrous joints
Consisting of inflexible layers of dense connective tissue, hold the bones tightly together.
In adults, also known as sutures, do not allow movement.
Fontanelles
Also known as soft spots. Normally present on the skulls of a newborn. These flexible soft spots facilitate the passage of the infant through the birth canal. Sutures close, fontanelles harden as child matures
Cartilaginous joints
Allow only slight movement and consist of bones connected entirely by cartilage.
Ex, where the ribs connect to the sternum, joints allowed movement for breathing
Pubic symphysis
Allows some movement to facilitate childbirth. This joint is located between the pubic bones in the anterior (front) of the pelvis
Synovial joint
Created where two bones articulate to permit a variety of motions.
Ball-and-socket joints
Such as hips and shoulders, allow a wide range of movement in many directions
Hinge joints
Such as knees and elbows, synovial joints that allow movement primarily in one direction or plane
Synovial capsule
Outermost layer of strong fibrous tissue that resembles a sleeve as it surrounds the joint
Synovial membrane
Lines the capsule and secretes synovial fluid
Synovial fluid
Flows within the synovial cavity, acta as a lubricant to make the smooth movement of the joint possible
Ligaments
Bands of fibrous tissue that form joints by connecting one bone to another bone or by joining a bone to cartilage. Complex hinge joints, such as knees, are made up of a series of ligaments that permit movement in different directions
Bursa
A fibrous sac that acts as a cushion to ease movement in areas that are subject to friction, such as in the shoulder, elbow, and knee joints where a tendon passes over a bone
Axial skeleton
Protects the major organs of the nervous, respiratory, and circulatory systems. Consists of 80 bones of head and body
5 parts of axial skeleton
- Bones of the skull
- Ossicles (bones) of the middle ear
- Hyoid bone, located on the throat between the chin and the thyroid
- Rib cage
- Vertebral column
Appendicular skeleton
Makes body movements possible and also protects the organs of digestion, excretion, and reproduction. Consists of 126 bones
2 parts of appendicular skeleton
Upper extremities
Lower extremities
Upper extremities
Shoulders, arms, forearms, wrists, hands
Lower extremities
Hips, thighs, legs, ankles, feet
Appendage
Anything that is attached to a major part of the body
Appendicular
Referring to an appendage
Extremity
Terminal end of a body part, such as an arm or leg
Skull
Consists of 8 bones that form the cranium, 14 bones that form the face, 6 bones that form the middle ear
Cranium
Made up of the 8 bones, a portion of the skull that encloses and protect the brain. Crani means skull, -um means noun ending. Cranial bones are joined by jagged fibrous joints that are often referred to sutures
8 bones of the cranium
Frontal bone
Parietal bone
Occipital bone
Temporal bones
External auditory meatus
Sphenoid bone
Ethmoid bone
Frontal bone
Anterior portion of the cranium that forms the forehead. This bone houses the frontal sinuses and forms the roof of the ethmoid sinuses. The nose and part of the socket that protects the eyeball
Parietal bones
Two of the largest bones of the skull. Together they form most of the roof and upper sides of the cranium