CNS contains
brain and spinal cord
PNS contains
cranial and spinal nerves
afferent
sensory neurons going toward the brain
efferent
motor neurons going to muscles from brain
astrocytes
maintain blood-brain barrier; provide structural support
Ependymal Cells
regulate and produce cerebrospinal fluid
Oligodendrocytes
produce myelin sheaths
rising is
action potential
skeletal system is divided into
axial and appendicular
axial is composed of
bones protecting body
appendicular is composed of
bones protecting specific organs
hemopoesis
blood cell formation
epiphysis
end of bone where spongey is
diaphysis
middle of bone with medullary cavity
flat bone example
skull and shoulder girdle
irregular bone example
vertebrae
osteoclasts
heal bone; mature cells
osteoblasts
bone forming cells
epipheseal plate
line under cratilage before diaphysis
order of bones in face from top to bottom
frontal
nasal
lacrimal
ethnoid