Week 7
Give two examples of flat bones
skull, sternum
definition of fracture
a fracture is a break in a bone from force applied that exceeds its tensile or compressive strenght
what is a tendon
connects muscle to bone
What is the prupose of glial cell
contribute to brain function by insulation, support and norusihging neighbour neurons
what is the resting membrane potential
more positive outside
more negavitve inside
What is C2 and its most prominent characteristic
Axis
Dens which atlas articulates on
what is a complete fracture
skin is intact
that is a first class level
neutral lever
what is corpus collosum
white matter bridge that connects the different cerebral hemis
What is the RAS
reticular activating system, causes us to be alert
what are the four atypical ribs in our body
1st and 2nd rib are single faceted
11th and 12th are floating ribs
what is primary bone healing
micro gap <1mm
osteoclasts create cutting cones
osteoblasts follow like haversian remodelling: no callus formation
what does epimysium cover
the whole muscle
explain attentuation terms for ultrasound
anechoice - black
hypoechoic - dark
hyperchoic - white
what causes the resting membrane potential in neaurons
the Na/K atpase pump
leak channels
Where is the vomer?
in the middle of where our noses are usually are
4 phases of secondary bone healing
heamotoma, inflammatory, reparative, remodelling
what is spina bifida
failure of normal neaural tube closer
caudal end
what are the parts of the limbic system and what are they for
hippocampus - memory and consolidation
amygdala - emotions
olfactory bulb - smell
explain thhe three types of fibers from pain lecture
alpha delta: myelinated for sharp immediate pain
alpha beta: fine touch, heavily myelinated
C fibers - unmylenated for dull aching pain