celular and Molecular Neuroscıence Flashcards
WHAT is neuro pt
its a branch of pt that deals with functions of paitents suffering physical impairement caused by neurological conditions
what are these neurological condiontions treated bt neuro pt
bells palsy, stroke, traumatic brain injury, spinal cord multiple sclerosis , parkinons
what is the role of a pt in the neuroscince
balance
coordination
ambulation CAB
where are the neurons
peripheral nervous system and central nervous system
structural classification of a neuron
bipolar
unipolar
psudopolar
multipolar
functional classification of a neuron
sensory neurons
motor neurons
interneurons
glial cells consist of
astrocytes
microoglia
oligodendrocyte AMO
FUNCTIONS OF OLIGODENDROCYTE
form myelin sheath
increase speed of action potential
what part of the glial cells is the defence system that eats up dead cells
microglial
functions of the astrocyte
supply nueron
diggest part of the dead neurons
they can send signals
which ion channel opns or closes in response to the magnitude of the membrane potential
voltage gated
which ion channel opens by extra cellular chemical signals such as neurotransmitters and intracelluar signals such as second messengers
ligand gated
two types of receptor proteins
ionotropic and metabotropic
what are the three primary criteria used to confirm that a molecule acts as a neurotransmitter at a given chemical synapse
- The substance must be present within the presynaptic neuron
- The substance must be released in response to presynaptic depolarization, and the release must be Ca2+- dependent
- Specific receptors for the substance must be present on the postsynaptic cell.
post synaptic potentials are divided into
excitatory or epsps ….. they increase the liklihood of a postsynaptic action potential occuring
inhibitory or ipsps…. if they decrease its liklihood
