Chapter 17 - Musculoskeletal System Flashcards
appendicular
an appendage; limbs
axis (n.) (axial [adj.])
a line that passes through the center of the body traversing skull, thorax, and vertebral column
ethmoid
the light and spongy bone at the base of the cranium; the upper nasal bone between the eyes
frontal
forehead
mandible
large bone constituting the lower jaw
maxilla
one of a pair of large bones forming the upper jaw
occipital
the cuplike bone at the back of the skull
parietal
bone of the skull (top of the head)
sphenoid
bone at the base of the skull, anterior to the temporal bones
temporal
large bones forming part of the temples
turbinate
cone-shaped nasal bone
clavicle
a long, curved, horizontal bone just above the first rib (collar bone)
femur
the thigh bone, extending form the pelvis to the knee
fibula and tibia
the fibula is the smallest of the bones of the leg; the tibia is the second longest bone of the skeleton, located at the medial side of the leg
humerus
the upper-arm bone, consisting of a body, a head, and the condyle
radius and ulna
the radius is the larger of the two bones of the forearm; the ulna is the bone on the medial or little-finger side of the forearm, lying parallel with the radius
scapula
shoulder blade
sternum
the elongated, flattened bone forming the middle portion of the thorax (breastbone)
vertebral column
the flexible structure that forms the longitudinal axis (backbone) of the skeleton; it consists of 26 separate vertebrae arranged in a straight line from the base of the skull to the coccyx (tailbone)
hyoid
point of attachment for muscles of head and throat
lachrymal
two bones that house the tear ducts
mandible
large bone constituting the lower jaw
maxilla
one of a pair of large bones forming the upper jaw
nasal
two bones that shape the nose
occipital
the cuplike bone at the back of the skull
palatine
forms the hard palate (roof of the mouth)
parietal
parietal bone of the skull (top of the head)
sphenoid
bone at the base of the skull, anterior to the temporal bones
temporal
large bones forming part of the temples
turbinate
cone-shaped nasal bone
vomer
lower part of the nasal septum
zygomatic
two bones, one on each side of the face, which form the high part of the cheek bones and outer eye socket
ball and socket
a joint in which the globular head of an articulating bone is received into a cuplike cavity, e.g., the hip and shoulder
hinge
hinge joint, e.g., elbow, knees, and fingers
intervertebral
the fibrous substance between the disks of the spinal vertebrae
aponeurosis
a flattened tendon, connecting a muscle with the parts it moves
bursa (pl., bursae)
a fluid-filled sac located in tissues to reduce friction
fascia (pl., fasciae)
a sheet of fibrous tissue holding muscle fibers together
interphalangeal
between two contiguous joints and phalanges, e.g., between the fingers and toes
lamina (pl., laminae)
the flattened part of the vertebral arch (thinnest part of a vertebra)
ligament
a band of fibrous tissue connecting bones or cartilages
meniscus (pl., menisci)
a crescent-shaped fibrocartilage in the knee joint
sutures
lines of junction between the bones of the skull
synovial fluid
the transparent, viscid fluid found in joint cavities, bursae, and tendon sheaths
tendon
a fibrous cord of connective tissue attaching the muscle to bone or cartilage
theca
a case or sheath of a tendon
acetabulum
the cup-shaped cavity (socket) receiving the head of the femur
foramen (pl., foramina)
holes in a bone for large vessels and nerves to pass through
fossa (pl., fossae)
a hollow or depressed area
groove
a narrow, linear hollow or depression in bone
malleolus
a rounded process, such as the protuberance on either side of the ankle joint, at the lower end of the fibula or the tibia
olecranon
bony projection of the ulna at the elbow
prominence
protrusion or projection
sinus
one definition is a recess, cavity, or channel, such as one in bone
tuberosity
an elevation or protuberance, especially of a bone
biceps brachii
muscle extending from scapula to radius. used to flex lower arm and turn palm of hand upward
buccinator
fleshy part of the cheek. used to smile, blow outward, and whistle
cardiac muscle
specialized muscle found in the walls of the heart. involuntary muscles, controlled by the ANS
deltoid
muscle covering the shoulder joint. extends from clavicle and scapula to humerus. extends the arm
gastrocnemius
main calf muscle. attaches to heel hone
gluteus maximus
fleshy part of the buttocks. extentds from ilium to femur. adducts and rotates thigh laterally
hamstring
muscle in posterior thigh used for flexing, as in kneeling, and for extension
latissimus dorsi
muscle extending from lower vertebrae to humerus. used for swinging the arms
masseter
muscle at angle of jaw. used for biting and chewing
orbicularis occuli
body of the eyelid, opens and close the eye, wrinkles forehead
orbicularis oris
muscle surrounding the mouth. closes and purses the lips
pectoralis major
large, fan-shaped muscle across front of the chest. adducts, flexes, and rotates the arms inward
quadriceps femoris
anterior thigh muscle. part of a five-muscle group that extends the thigh
skeletal muscles
also called striated (striped) or voluntary muscles. muscles attached to skeletal bones except for face, eyes, tongue, and throat. under concious control
smooth muscles
muscles found in the wall of the stomach, intestine, blood vessels, and respiratory tract. also called involuntary or visceral muscle (not under concious control)
sternomastoid
muscle extending from sternum to side of the neck. used for turning the head
temporal
muscle above the ear. used for opening and closing the jaw
trapexius
triangular muscle extending from back of shoulder to clavical. used to raise shoulders
triceps bracii
muscle extending from scapula to ulna. responsible for adducting the elbow
flexion
bending
extension
the movement by which the two ends of any jointed part are drawn away from each other; straightening
adduction
to draw toward the axial (median) line of a limb
abduction
to draw away from the axial (median) line of a limb
pronation
to prone position (palm down, face down)
supination
palm or face upward
proximal
nearest to a point of reference or origin
distal
farthest from any point of reference or origin
contracture
permanent contraction of a muscle
muscle atrophy
wasting away of muscle from disuse
muscle hypertrophy
muscle enlargement from overuse
muscle tone
normal degree of vigor and tension in a muscle; muscles partially contracted
paralysis
loss of muscular contraction because of nerve damage
paresis
slight or incomplete paralysis
fracture
the breaking of a bone; there are many types
skull fracture
a fracture of the bony structure of the head
torn ligament, tendon, or cartilage
a complete or partial tear of a ligament, tendon, or cartilage; common sports injuries
subluxation
partial dislocation
spondylolisthesis
forward displacement of a vertebra over a lower segment; a type of dislocation
arthritis
inflammation of a joint; there are 4 common types
burstitis
inflammation of a bursa
carpal tunnel syndrome
a common painful disorder of the wrist and hand, caused by pressure on the median nerve in the wrist
collagen disease
a group of diseases with widespread pathologic changes in connective tissue, e.g., lupus erythematosus, dermatomyositis
gout
a hereditary form of arthritis caused by accumulation of uric acid crystals, especially in the great toe
herniated nucleus pulposus
a rupture of the fibrocartilage surrounding an intervertebral disk, releasing the nucleus pulposus that cushions the vertebrae above and below
kyphosis
humpback or hunchback; a spinal deformity
Legg-Calve’-Perthes disease
osteochondrosis of the head of the femur in children
lordosis
forward curvature of the lumbar spine; swayback
lupus erythematosus (LE)
see systemic lupus erythematosus
muscular dystrophy
genetic diseases with progressive atrophy of skeletal muscles
myasthenia gravis
lack of muscle strength
myositis
inflammation of a voluntary muscle
Osgood-Schlatter disease
inflammation of the tibial tubercle caused by chronic irritation and seen primarily in muscular, athletic adolescents; characterized by swelling and tenderness over the tibial tubercle that increases with exercise
osteochondritis
inflammation of the bone and cartilage
osteochondrosis
disease of the bone and cartilage
osteomalacia
softening of the bones resulting from vitamin D deficiency
osteomyelitis
inflammation of the bone and marrow caused by bacterial invasion
osteoporosis
porous condition of the bones; occurs primarily in postmenopausal women
rheumatism
disorders marked by inflammation, degeneration, or metabolic derangement of the connective tissue structures, especially the joints and related structures, and attended by pain, stiffness, or limitation of motion
rickets
vitamin D deficiency, especially in infancy and childhood, marked by bending and distortion of the bones
sarcoma (osteogenic)
a malignant tumor of bone
scoliosis
lateral curvature of the spine
spina bifida
a congenital defect in the spine
spondylitis (ankylosing)
inflammation of the vertebrae, commonly progressing to eventual fusion of the involved joints
systemic lupus erythematosus (SLE)
a chronic inflammatory disease affecting many systems of the body
tendinitis
inflammation of a tendon
amputation
removal of a limb or other appendage of the body
arthrocentesis
puncture of a joint cavity to remove fluid
arthroscopy
examination of the interior of a joint with an endoscope
arthrotomy
surgical creation of an opening into a joint, such as for drainage
electrical stimulation
a process used to heal fractures more quickly
electromyogram (electromyography)
the film record made and the study of muscular contraction
external fixation
the process of making a bone immovable
fracture reduction
the correction of a fracture, luxation, or hernia
laminectomy with disectomy
excision of the posterior arch of a vertebra;excision of a intervertebral disk
meniscectomy
excision of a meniscus, e.g., of the knee joint
myelogram
the film produced by radiography of the spinal cord after injection of a dye into the spinal cavity
myogram
a record produced by myography; same as electromyogram
replantation
the insertion of an organ or tissue in a new site in the body
spondylosyndesis
surgical creation of ankylosis between contiguous vertebrae; spinal fusion
total hip replacement
replacement of the hip joint with an artificial ball and socket joint, performed to relieve a chronically painful and stiff hip caused by certain clinical disorders
traction
the act of drawing or pulling
ANA
antinuclear antibodies; a laboratory serum test; ANA is associated with many diseases
ASO
antistreptolysin O
CRP
C-reactive protein
DJD
degenerative joint disorder
ORIF
open reduction internal fixation; reduction of a fracture after inclusion into the fracture site
RA
rheumatoid arthritis
RA factor
rheumatoid arthritis factor
SLE (LE)
systemic lupus erythematosus; lupus erythematosus
SR (ESR)
sedimentation rate; erythrocyte sedimentation rate