The skeletal system Flashcards
the main function of the skeletal system is to
provide the body with support, protection for underlying organs, and to serve as levers for body motions and movements
how many thorax vertebrae
12
how many lumbar vertebrae
5
how many sections are in the vertebral column
5
what is the nasal bone most commonly referred to as
nose
how many coccyx vertebrae
4
sacrum is made up of
5 vertebrae
how many cervical vertebrae
7
cheek bone
maxillary
chin
mandibular
nose
nasal
frontal
forehead
parietal
where the bones fuse(top of head)
temporal
near ear(easy to shatter)
occipital
where the spinal cord passes(back of the skull)
how many vertebrae make up the spine
33
spinous process
what we feel
spinal canal
contains spinal cord
atlas
on which the skull rests
axis
structure where most head motion occurs
thorax
provides a rigid cage to protect the lungs and vital organs
sterumn
breast bone
12 pairs of ribs
posteriorly(back)
10 pairs of ribs
anteriorly(front)
2 floating ribs attached
anteriorly
scapula
shoulder
clavicle
collar bone
connected to the sternum(medially)
connected to the scapula(laterally)
acromiom
highest point of the shoulder
glenoid cavity
depression in the scapula that provides a joint for the humerous
humerous
bone of the upper arm
radius
long bone(thumb side) -lateral in anatomic position
ulna
long bone of the forearm- medial in anatomis position
carpals(wrist)
8 small bones
metacarpals (connect the wrist and fingers)
5 small bones
phalanges
fingers
phalanx
single bone of the finger
thumb
2
fingers
3
acetabulum(hip socket)
made up of 3 bones
ilium
bigger part
ischium
towards bottom of big bone
pubis
bottom of big bone
ischial tuberosity
what you sit on (butt)
femur
thigh bone
hip joint
(femur, acetabulum)
femorial head
proximal end
greater and lesser trochanter, femoral neck
what often fractures in elderly people when they fall
patella
knee cap
knee is made up of
femur, tibia(shin), patella
tibia
shin bone
fibia
long slender bone located on the lateral aspect of the leg. Makes contact with the tibia at the proximal and distal end.
tarsus(ankle)
7 tarsal bones
calcaneus(heel bone)
the largest tarsal bone
talus
2nd largest tarsal bone
metatarsals
groups of 5 bones that connect the tarsal bones to the toes
phalanges
toes
great toe
2 phalanx
other toes
3 phalanx
5th lumbar is
L5
12th theorastic is
T12
7th cervical vertebrae
c7