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Ch. 27vocabulary
Chapter 27: The musculoskeletal system
Question | Answer |
---|---|
abduction | movement away from the midline or the axis of the body |
acetabulum | area of the pelvis where the femur attaches to form the hip joint |
adduction | movement toward the midline or the axis of the body |
appendicular skeleton | contains bones of the body that hang, the limbs or appendages |
arthritis | inflammation of the joints |
atlas | the first cervical vertebrae located at the base of the brain that allows for up and down motions of the head |
axial skeleton | contains bones of the body that lie perpendicular or lengthwise |
axis | second cervical vertebrae that allows for rotation and shaking of the head |
ball and socket | joint that rotates in numerous directions |
bone | hard, active tissue that consists mostly of calcium and forms the skeleton of the body, gives body support, structure, and protection |
bone marrow | fluid within the medullary cavity where blood cells are produced |
bone plate | surgical steel plate placed around a fractured bone that holds the bone together with surgical scres |
callus | cartilage that rebuilds and thickens over a fractured bone that has healed |
cancellous bone | sponge like, softer layer of bone located inside the ends of bone |
cannon | long bones in hoofed animals located above the ankle joint |
carpal | lower leg that is similar to the wrist |
carpus | joint formed by several carpal bones and arranged in two rows in the area of the wrist |
cartilage | forms at the ends of bones to protect and cushion the bone |
cartilage joint | connects at the end of a joint where two bones meets and acts as a cushion |
cast | material made of a hard substance and placed over a broken bone to keep the bone in place as it heals |
cerclage wire | surgical wire used to hold fragments of broken bone together while healing |
cervical | first section of the spinal column located over the neck area |
coccygeal | last section of the vertebrae that lies over the tail area |
comminuted fracture | bone breaks in several different locations and causes fragments |
compact bone | thick tissue that forms the outer layer of bone |
compound fracture | a break in the bone that causes the bone to break through and penetrate the skin |
cranial drawer sign | in and out movement or motion of the knee when the cruciate ligament is torn |
cruciate ligament tear | common knee injury to large breed dogs that tears the ligament over the patella |
dewclaw | the short inside bone that forms the first digit that acts as an opposable thumb |
dislocation | a bone that complete moves out of place |
endosteum | thin connective tissue covering inner bone |
extension | bending causing the joint to open and lengthen |
femur | large upper bone of the rear leg, thigh bone |
fibrous joint | fixed joint with little or no movement |
fibula | small bone that lies in the lower rear leg and in the back of the limb |
flexion | bending causing the joint to close and shorten |
forelimb | the front leg of an animal |
fracture | broken bone |
growth plate | area of bone in young animals that allows the bones to grow and mature as the animal ages and the cartilage turns to bone |
hinge | joint that opens and closes |
hip dysplasia | common genetic condition of large breed dogs where the ball and socket joint of the femur and pelvis becomes diseased |
hock | common term for the point of the rear leg where the tibia and fibula meet |
humerus | large upper bone of the forelimb |
ilium | first section of the pelvis |
IM pin | intramedullary pin |
intervertebral disc disease (IVDD) | common injury of the back in long backed breeds where inflammation and swelling occur when one vertebrae puts pressure on another |
intramedually pin | stainless steel pin or rod placed into the center of a broken bone to keep the bone in place as it heals |
ischium | section section of the pelvis |
joints | where two bones meet and allows a bending motion |
ligament | fibrous strands of tissue that attach bone to bone |
loin | lower back or lumbar area |
lumbar | third section of the vertebrae that lie over the lower back |
luxation | a bone that comes completely out of place when broken |
mandible | lower jaw |
maxilla | upper jaw |
medullary cavity | hollow center within bone where blood cells are produced |
meniscus | ligament that lies directly over the patella and forms an x shape over the cruciate ligament |
metacarpal | bones that form the long bones of the feet in the forelimbs |
metatarsal | bones that form the long bones of the feet in the hind limb |
muscle | structures located throughout the animal's body that attach to different locations and serve to protect, allow bending and movement, and aid in the strength of an animal |
musculoskeletal system | body system consisting of bones, muscles, tendons, and ligaments |
olecranon | the elbow |
ossification | the formation of bones |
patella | knee cap that forms joint of the upper and lower rear leg |
pelvic limb | rear leg of an animal |
pelvis | hip bone |
periosteum | thin connective tissue covering outer bone |
phalanges | toes or digits |
pivot | joint that rotates around a fixed point |
pubis | third section of the pelvis |
radius | larger bone of the front of the lower forelimb |
rib | bone that attaches to individual thoracic vertebrae and protects the heart and lungs |
sacral | the fourth section of the vertebrae that lies over the pelvic area |
sacrum | area over the pelvis that is fused together and forms the highest point of the hip joint |
scapula | shoulder blade |
simple fracture | a break in the bone that may be complete or incomplete, but does not break the skin, also known as a closed fracture |
sinuses | small, open spaces of air located within the skull and nasal bones |
skull | the bone that holds and protects the brain and head area |
spinal column | extends from the base of the skull to the end of the tail and allows movement, also called the spine |
spinal cord | canal of nerves that run through the center of the vertebrae located in the spinal column |
splint | support applied to a broken bone with bandage and padding to allow a bone to heal |
splint bone | two small bones on the back of a horse's cannon bone that may become inflammed from large amounts of work and stress on the legs |
sternum | breastbone that protects the organs of the chest |
subluxate | bone partially out of place |
suture | where two fibrous joints meet, fine line where little or no movement occurs |
synovial joint | moveable joint in the area where two joints meet |
tarsal | the point of the rear leg where the tibia and fibula meet, ankle area |
tarsus | joint of the ankle of the rear limb |
tendon | fibrous strands of tissue that attach bone to muscle |
thoracic | second section of the vertebrae located over the chest area |
tibia | larger bone in the lower rear leg and lies in front |
ulna | small bone on the back of the lower forelimb |
vertebrae | individual bones of the spine that surround and protect the spinal cord |