Osteology Flashcards
what is the surface landmark for C1
Mastoid tip
surface landmark for C2, C3
gonion
the hyoid bone is the surface landmark for what structure
C3, C4
the thyroid cartilage is the surface landmark for what structure
C5
surface landmark for C7, T1
vertebrae prominens
T1 has what surface landmark
2 inches above level of jugular notch
what landmark is T2, T3 at
jugular notch
the sternal angle is a landmark for what
T4, T5
where can you find T7 on the surface
inferior angles of the scapulae
what structure has a landmark of the xiphoid process
T9, T10
L2, L3 can be found at what landmark
Inferior costal margin
what portion of the spine is found at the level of the superior most aspect of the iliac crest
L4, L5
S1, S2 can be found where
ASIS (anterior superior iliac spine)
the coccyx is found at the level of what
the pubic symphysis and greater trochanter
how many bones are found in a typical adult skeleton A. 203 B. 156 C. 206 D. 205
C. 206 bones
what are the two main skeletal divisions
axial and appendicular skeleton
the neck, skull, thorax, and vertebral column make up which of the skeletal divisions
axial
what bone groups make up the appendicular skeleton
upper and lower limbs, pelvic girdle, and shoulder girdle
what is the outer layer of bony tissue called
compact bone
describe spongy bone
inner trabeculated portion of the bone
central cylindrical canal of long bones is called what
medullary cavity
describe the periosteum
tough, fibrous membrane that covers the bone (except where bone is covered by articular cartilage)
the five classifications of bone are 1. 2. 3. 4. 5.
- flat
- long
- short
- irregular
- sesamoid
name two different long bones
tibia and radius
what is the function of long bones
to provide support
the lunate is what kind of bone
short
the patella is a _____ bone
sesamoid
the _____ and ______ are irregular bones
a. tibia
b. maxilla
c. lunate
d. vertebrae
b. maxilla
d. vertebrae
a ______ bone has a cylindrical shape shaft w/ 2 enlarged and rounded ends
Long
describe short bones
contain red marrow and a thin outer layer of compact bone
describe flat bones
two tables of compact bone with a thin layer of red marrow
small oval shaped bones inside or beside tendons are called what
sesamoid
