Gross Anatomy of the Head & Neck Flashcards
What are the functions of the skeletal system
a) structural support
b) storage of minerals and lipids
c) production of blood cells
d) protection
e) leverage
f) all of the above
All of the above
What are some classification of bones?
a) sutural bones
b) irregular bones
c) short bones
d) flat bones
e) long bones
f) sesamoid bones
g) all of the above
All of the above
Fillers of suture lines
- rare to see
sutural bones
complex shapes
- vertebrae
irregular bones
cuboidal (carpals)
- in wrists
short bones
skull, scapula
- cranium
flat bones
appendages (small + large)
- hand and feet bones
long bones
develop within tendons
- patella
sesamoid bones
T/F Compact bone is dense
True
T/F Spongy bone is not cancellous or trabecular
False; it IS cancellous or trabecular
T/F Bone composition composed of cells and extracellular matrix include extracellular fibers and ground substance
True
T/F Bone cells (osteocytes) do NOT occupy lacunae, organized around blood vessels and connected by canaliculi
False; they DO occupy lacunae
mature bone cells that deal with maintenance
osteocytes
osetoblasts
osteocytes precursors that form bone
osteoclasts
erode bone