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Skeletal System
Anatomy, Pathophysiology & Diseases
96
Medical
Not Applicable
10/18/2011

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Cards

Term
Has 80 bones and includes the bones of the skull, vetebral column, thoracic cage, sternum, hyoid, and ears
Definition
axial skeleton
Term
Has 126 bones and includes the bones of the upper and lower extremeties
Definition
appendicular skeleton
Term
Cells the body has programmed to create bones
Definition
bone cells
Term
The first formation of bone
Definition
immature bone
Term
Bone that has ossified and calcified
Definition
mature bone
Term
Bone formation
Definition
ossification
Term
Bone forming cells that secrete a matrix which becomes calcified
Definition
osteoblasts
Term
Large multinucleated cells that reabsorb bone matrix
Definition
osteoclasts
Term
Mature bone cells
Definition
osteocytes
Term
Forms a hard, protective outer layer around every bone
Definition
cortical or compact bone
Term
The structural unit of compact bone
Definition
osteon
Term
A spongy structure that represents 20% of skeletal mass but 80% of bone surface
Definition
cancellous bone
Term
The narrow channels through which the osteocytes extend
Definition
canaliculi
Term
Small cavities containing mature bone cells
Definition
lucunae
Term
Bones whose length is greater than their width (e.g., tibia, femur)
Definition
long bone
Term
Shaped like cubs and are found in the ankle and wrist
Definition
short bones
Term
Bones found in the cranial vault, sternum, and ribs
Definition
flat bones
Term
A mix of irregularly shaped bones (e.g., face, spinal columns, hips)
Definition
irregular bones
Term
Rounded masses of bone embedded in certain tendons and are usually related to the surfaces of joints
Definition
sesamoid bones
Term
Small bones found between suture lines of the skull
Definition
wormian bones
Term
Cavities inside a bone
Definition
sinuses
Term
Rounded end of a long bone
Definition
head
Term
Opening or hole in a bone
Definition
foramen
Term
Small rounded projections
Definition
tubercle
Term
Indentation of a bone, also called a depression
Definition
fossa, groove, pit
Term
Rounded obne projections
Definition
condyles, epicondyles
Term
Constricted end of a long bone before the head or rounded end
Definition
neck
Term
Long or deep hole in a bone
Definition
canal, meatus
Term
Small, smooth, and flat areas
Definition
facets
Term
Large rounded projections
Definition
tuberosity
Term
The space where the frontal angles of the parietal bones meet the two ununited halves of the frontal bone
Definition
anterior fontanel
Term
The space where the occipital angles of the parietal bones meet the occipital
Definition
posterior fontanel
Term
An interval on either side of the head where the frontal angle of the temporal bone and greater wing of the sphenoid meet
Definition
anterolateral fontanels
Term
The interval on either side of the head between the mastoid angle of the parietal bone, the temporal bone, and the occipital bone
Definition
posterolateral fontanels
Term
Joins the frontal bone to the two parietal bones
Definition
coronal suture
Term
Bone that closes the anterior part of the cranial cavity and forms the skeleton of the forehead
Definition
frontal bone
Term
Joins the two parietal bones to the occipital bone
Definition
lambdoid suture
Term
Bone situated at the posterior and inferior part of the cranium; articulating with the two parietal and two temporal bones
Definition
occipital bone
Term
Bones forming part of the superior and lateral surfaces of the skull, and joining each other in the midline at the sagittal suture
Definition
parietal bones
Term
Joines one parietal bone to the other parietal bone
Definition
sagittal suture
Term
Joins the parietal bones to the temporal bones
Definition
squamous suture
Term
Bones forming part of the lateral surfaces and the base of the skull, and containing the organs of hearing
Definition
temporal bones
Term
Part of the skull and literally means "sieve-like"
Definition
ethmoid
Term
The posterior part of the head
Definition
occipital bone
Term
Denotes a relationship to the nose
Definition
nasal
Term
Means "a shell" and is used to describe structures that are shell-like in shape
Definition
concha
Term
Describes a process, a bone, or an arch
Definition
zygomatic
Term
A natural opening or passage
Definition
foramen
Term
Bones making up the upper jaw
Definition
maxilla
Term
Shaped like the Greek letter lambda
Definition
lambdoid suture
Term
Resembling a knuckle or rounded bone
Definition
condyloid
Term
Contains 7 vertebrae located in the neck area
Definition
cervical spine
Term
Contains 12 vertebrae located in the chest area which connect to the ribs
Definition
thoracic spine
Term
Loosely connect or join
Definition
articulate
Term
Contains 5 vertebrae located in the lower back
Definition
lumbar spine
Term
Consists of 5 fused sacral vertebrae
Definition
sacral spine
Term
Tailbone or booty bone
Definition
coccyx
Term
Composed of fibrous tissue and cartilage located between the vertebrae
Definition
intervetebral discs
Term
Upper portion of the sternum
Definition
manubrium
Term
middle section of the sternum
Definition
body
Term
Distal portion of the sternum
Definition
xiphoid process
Term
Area of sternum where the manubrium and body join
Definition
sternal angle
Term
Clavicle
Definition
collarbone
Term
Scapula
Definition
shoulder blade
Term
Humerus
Definition
upper arm
Term
Radius
Definition
forearm
Term
Ulna
Definition
forearm
Term
Carpal
Definition
wrist
Term
Metacarpal
Definition
hand
Term
Phalanges
Definition
fingers
Term
Os Coxae
Definition
hip, pelvic bone
Term
Femur
Definition
thigh
Term
Patella
Definition
kneecap
Term
Tibia
Definition
leg
Term
Fibula
Definition
leg
Term
Tarsal
Definition
ankle
Term
Metatarsal
Definition
foot
Term
Phalanges
Definition
toes
Term
The end of the clavicle that is attached to the sternum
Definition
sternal end
Term
The end of the clavicle that is attached to the acromion
Definition
acromial end
Term
Another name for shoulder blade
Definition
scapula
Term
Process that helps form point of the shoulder
Definition
acromion, corcoid
Term
Cavity where the humerus rests
Definition
glenoid cavity
Term
Forms a margin for the tendons of two muscles to the thumb
Definition
styloid process
Term
Forearm bone located on the pinky side
Definition
ulna
Term
Large process at the proximal end of the ulna which projects behind the articulation with the humerus and forms the bony prominence of the elbow
Definition
olecranon
Term
Pulley-shaped structure of the elbow
Definition
trochlear notch
Term
Point at which the radius and ulna articulate
Definition
radial notch
Term
Wings of the hip bone
Definition
ilium
Term
Lower part of the "eye mask" of the hip bone
Definition
ischium
Term
Portion of the hip bone between the "eyes"
Definition
symphysis pubis
Term
bony prominence where muscles attach to the femur
Definition
greater trochanter, lesser trochanter
Term
A groove in the hip bone
Definition
acetabulum
Term
A Protrusion to which ligaments and tendons attach on the inferior end of the rounded shaft of the femur
Definition
medial epicondyle
Term
Ankle bone that is a bony extension of the tibia
Definition
malleolus
Term
Tarsal bones
Definition
talus, calcaneus, cuboid, navicular, cuneiforms
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