skeletal system Flashcards
list 2 divisions of the skeletal system
axial & appendicular
3 functions of the skeletal system
support of surrounding tissues, protects vital organs & soft tissues, provide levers for muscles to pull on
cancellous bone
(spongy bone)
has many open spaces filled with ..
bone marrow
strong & solid
compact/dense bone
formation of blood cells
hematopoiesis
shaft of long bone
diaphysis
ends of long bone
epiphyses
small rounded bones
sesamoid bones
flat & serve to protect or provide extensive muscle attachment
flat bones
peculiar shape
irregular bones
bone marking
process
any depression
fossae
parts of axial skeleton
skull, hyoid, ribs, sternum, vertebrae
longitudinal growth occurs until what age in boys
16
hematopoiesis takes place in what type of bone
red bone marrow (ribs, vertebrae, sternum, pelvis)
blood cells are found in ..
bone marrow (red)
ex. of flat bones
some cranial bones, ribs, scapula, some hip bones
ex. of sesamoid bones
patella
NOT a fossae
trochanter
how many sections of the spine
5
2 sections of spine with fused bones
sacrum & coccyx
swayback
lordosis
which is longer
ulna
longest & heaviest bone
femur
shin
tibia
longest foot bone
calcaneus
NOT part of the axial skeleton
radius
NOT part of the appendicular skeleton
ribs
any sharp, slender projection such as the spinous process of a vertebrae
spine (p)
a rounded or knuckle-like prominence usually found at the point of articulation with another bone such as the lateral & medial condyle of the femur
condyle (p)
a small, round process like the lesser ___ of the humerus
tubercle (p)
a process shaped like a pulley as in the ___ of the humerus
trochlea (p)
a very large projection like the greater & less ___ of the femur
trochanter (p)
a narrow ridge of bone like the iliac ___ of the hip bone
crest (p)
a less prominent ridge of bone than a crest
line (p)
a terminal enlargement like the ___ of the humerus & the femur
head (p)
that part of the bone that connects the head of terminal enlargement to the rest of the bone, like the ___ of the femur
neck (p)
processes:
spine, condyle, tubercle, trochlea, trochanter, crest, line, head, neck
a narrow junction often found between 2 bones like the ___ of the skull bones
suture (f)
an opening through which blood vessels, nerves, and ligaments pass like the ___ magnum of the occipital bone of the skull it the obturator ___ of the pelvic bone
foramen (f)
a long tube-like passage, the auditory ___ or ___
meatus (canal) (f)
a cavity within a bone like the nasal ___ or frontal ___
sinus (antrum) (f)
a furrow or groove like the inter-tubercular ___ or groove of the humerus
sulcus (f)
fossae:
suture, foramen, meatus (canal), sinus (antrum), sulcus