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Anatomical Terminology
Chapter 15 Musculoskelatal System
126
Anatomy
Not Applicable
11/12/2012

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Term
acetabulum
Definition
rounded depression, or socket, in the pelvis that joins the femur (thigh bone), forming the hip joint
Term
acrominon
Definition
outward extension of the shoulder blade forming the point of the shoulder. it overlies the shoulder joint and articulates with the clavicle
Term
articular cartilage
Definition
thin layer of cartilage covering the bone in the joint space
Term
bone
Definition
dense, hard connective tissue composing the skeleton
Term
examples of bones
Definition
long bones (femur), short bones (carpals), flat bones (scapula), and sesamoid bones (patella)
Term
calcium
Definition
one of the mineral constituents of bone
Term
calcium phosphate
Definition
is the major calcium salt in bones
Term
cancellous bones
Definition
spongy, porous, bone tissue in the inner part of a bone
Term
cartilage
Definition
flexible, rubbery connective tissue. It is found in the immature skeleton, at the epiphyseal growth plate, and on joint surfaces.
Term
collagen
Definition
dense, connective tissue protein strands found in bone and other tissues
Term
compact bone
Definition
hard, dense bone tissue, usually found around the outer portion of bones
Term
condyle
Definition
knuckle-like process at the end of a bone near the joint
Term
cranial bones
Definition
skull bones: ethmoid, frontal, occipital, parietal, sphenoid, and temporal
Term
diaphysis
Definition
shaft, or mid-portion of a long bone
Term
disk (disc)
Definition
flat, round, plate-like structure. an intervetebral disk is a fibrocatilaginous substance between two vertebrae
Term
epiphyseal plate
Definition
cartilaginous area at the ends of long bones where lengthwise growth takes place in the immature skeleton
Term
epiphysis
Definition
each end of a long bone; the area beyond the epiphyseal plate
Term
facial bones
Definition
bones of the face: lacrimal, mandibular, maxillary, nasal, vomer, and zygomatic
Term
fissure
Definition
narrow, slit-like openings in or between bones
Term
fontanelle
Definition
soft spot (incomplete bone formation) between the skull bones of an infant
Term
foramen
Definition
opening or passage in bones where blood vessels and nerves enter and leave
Term
foramen magnum
Definition
is the opening of the occipital bones through which the spinal cord passes
Term
fossa
Definition
shallow cavity in a bone
Term
haversian canals
Definition
minute spaces filled with blood vessels; found in compact bone
Term
malleolus
Definition
round process on both sides of the ankle joint. The lateral one is part of the fibula, and the medial one is part of the tibia
Term
manubrium
Definition
upper portion of the sternum; articulates with the medial aspect of the clavicle
Term
mastoid process
Definition
round projection on the temporal bone behind the ear
Term
medullary cavity
Definition
central, hollowed-out area in the shaft of a long bone
Term
metaphysis
Definition
flared portion of a long bone, between the diaphysis (staft) and the epiphyseal plate (in this term meta- means between)
Term
olecrannon
Definition
large process on the proximal end of the ulna; the point of the flexed elbow
Term
osseous tissue
Definition
bone tissue
Term
ossification
Definition
process of bone formation
Term
osteoblast
Definition
bone cell that helps form bony tissue
Term
osteoclast
Definition
cone cell that absorbs and removes unwanted bony tissue
Term
periosteum
Definition
membrane surrounding bones; rich in blood vessels and nerve tissue
Term
phosphorus
Definition
mineral substance found in bones in combination with calcium
Term
pubic symphysis
Definition
area of confluence (coming together) of the two pubic bones in the pelvis. they are joined by a fibrocartilaginous disk
Term
red bone marrow
Definition
found in cancellous bone; site of hematopoiesis
Term
ribs
Definition
twelve pairs of curved bones that form the chest wall. true ribs are the first 7 pairs; false ribs are pairs 8 to 10; floating ribs are pairs 11 and 12
Term
sella turcica
Definition
depression in the spenoid bone where the pituitary gland is located
Term
sinus
Definition
hollow air cavity within a bone
Term
styloid process
Definition
pole-like process extending downward from the temporal bone on each side of the skull
Term
suture
Definition
immovable joint between bones, such as the skull (cranium)
Term
temporomandibular joint
Definition
connection on either side of the head between the temporal bone of the skull and mandibular bone of the jaw
Term
trabeculae
Definition
supporting bundles of bony fibers in cancellous (spongy) bone
Term
trochanter
Definition
large process at the neck of the femur; attachment site for tendons of the hip musculature
Term
tubercle
Definition
rounded, small process on bone; attachment site for muscles and tendons
Term
vertebra
Definition
individual segment of the spine composed of the vetebral body, vertebral arch, spinous process, transverse process, and lamina, enclosing the neural canal
Term
xiphoid process
Definition
lower, narrow portion of the sternum
Term
yellow bone marrow
Definition
fatty tissue found in the medullary cavity of most adult long bones
Term
sesamoid bones are
Definition
imbedded in the tendon
Term
muscles
Definition
movement of substance
skeletal-smooth-cardiac
Term
spongy bone
Definition
end othe long bones
inside flat bones
forms a ring along the shaft of the bone
Term
talus
Definition
is one the three bones that form the ankle joint
Term
ewing sarcoma
Definition
-from spongy bone
-rare malignant tumor arising in bone; most often occuring in children
Term
exostosis
Definition
-bony growth (benign) arising from the surface of the bone
-usually found on the metaphses of long bones near the epiphyseal plates
Term
osteochondromas
Definition
composed of cartilage and bones
Term
bunion
Definition
swelling of the metatarsophalangeal joint near the base of the big toe and is accompanied by the buildup of soft tissue and underlying bone at the distal/medial aspect of the first metatarsal
Term
fracture
Definition
traumatic breaking of a bone
Term
simple fracture =
Definition
closed
Term
greenstick fracture
Definition
incomplete
Term
osteogenic sarcoma
Definition
common malignant tumor arising from osteoblasts
Term
osteomalacia
Definition
softening of the bone, with inadequate amounts of mineral (calcium) in the bone
Term
osteomyelitis
Definition
inflammation of the bone and bone marrow secondary to infection
not easy to treat by IV
Term
osteoporosis
Definition
decrease in bone density (mass); thinning and weakening of bone
Term
talipes
Definition
congenital abnormality of the hindfoot (involving the talus)
club foot
Term
DEXA scan
Definition
used to look for osteporosis
Term
articular cartilage
Definition
smooth, glistening white tissue that covers the surface of a joint
Term
articulation
Definition
any type of joint
Term
bursa
Definition
sac of fluid near a joint; promotes smooth sliding of one tissue against another
Term
ligament
Definition
connective tissue binding bones to other bones; supports, strengthens, and stabilizes the joint
Term
suture joint
Definition
immovable joint, such as between the bones of the skull
Term
synovial cavity
Definition
space between bones at synovial joint; contains synovial fluid produced by the synovial membrane
Term
synovial fluid
Definition
viscous (sticky) fluid within the synovial cavity. It is similar in viscosity to egg white; this accounts for the origin of the term
Term
synovial joint
Definition
a freely movable joint
Term
synovial membrane
Definition
tissue lining the synovial cavity; it produces synovial fluid
Term
tendon
Definition
connective tissue that binds muscles to bones
Term
arthritis
Definition
inflammation of the joints
Term
ankylosing spondylitis
Definition
chronic, progressive arthritis with stiffening of joints, primarily of the spine
Term
gout
Definition
inflammation and painful swelling of joints caused by excessive uric acid in the body
Term
OA
osteoarthritis
Definition
caused by ageing and injury
Term
DJE
Definition
degenerative joint disease
Term
RA
rheumatoid arthritis
Definition
chronic joint condition with inflammation and pain; caused by an autoimmune reaction against joint tissue, particularly the synovial membrane
Term
pyrexia
Definition
fever
Term
hallux
Definition
great toe
Term
valgus
Definition
abnormal angulation of the toe
Term
ganglion
Definition
fluid-filled cyst arising from joint capsules or tendons, typically in the hand
Term
Lyme disease
Definition
bit by a deer tick
Term
sprain
Definition
trauma to a joint without rupture
ligaments
Term
strain
Definition
injury involving the overstretching of muscle
tendons and muscles
Term
SLE
Definition
chronic inflammatory autoimmune disease involving joints, skin, kidneys, nervous system (CNS), heart. and lungs
Term
flexion
Definition
bending a limb
Term
extension
Definition
straightening out a limb
Term
abduction
Definition
movement away from the midline of the body
Term
adduction
Definition
movement toward the midline of the body
Term
rotation
Definition
circular movement around an axis (central point)
Term
dorsiflexion
Definition
decreasing the angle of the ankle joint so that the foot bends backwards (upward)
Term
plantar flexion
Definition
motion that extends the foot downward toward the ground as when pointing the toes or stepping on the gas pedal
Term
supination
Definition
as applied to the hand and forearm, the act of turning the palm up
Term
pronation
Definition
as applied to the hand and forearm, the act of turning the palm down
Term
ACL
Definition
anterior cruciate ligament of the knee
Term
ANA
Definition
antinuclear antibody-indictor of systemic lupus erythematosus
Term
BKA
Definition
below-knee amputation
Term
C1 to C7
Definition
cervical vertebrae
Term
Ca
Definition
calcium
Term
CK
Definition
enzyme elevated in muscle disease
Term
CTS
Definition
carpal tunnel syndrome
Term
EMG
Definition
electromyography
Term
ESR (sed rate)
Definition
indicates inflammation
Term
HNP
Definition
herniated nucleus pulposus
slipped disc
Term
IM
Definition
intramuscular
Term
L1 to L5
Definition
lumbar vertebrae
Term
NSAID
Definition
non-steroidal anti-inflammatory drug
Term
OA
Definition
osteoarthritis
Term
ORIF
Definition
open reduction (of fracture)/internal fixation
Term
ortho
Definition
orthopedics
Term
OT
Definition
occupational therapy-helps patients perform activities of daily living and function in work-related situations
Term
P
Definition
phosphorus
Term
PT
Definition
physical therapy-helps patients regain use of muscles and joints after injury or surgery
Term
RA
Definition
rheumatoid arthritis
Term
ROM
Definition
range of motion
Term
SLE
Definition
systemic lupus erythematosus
Term
T1 to T12
Definition
thoracic vertebrae
Term
TKR
Definition
total knee replacement/arthroplasty
Term
THR
Definition
total hip replacement/arthroplasty
Term
TMJ
Definition
temporomadibular joint
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