cells of the nervous system Flashcards
whats another name for the cerebral hemispheres
telencephalon
What are the ridges called
gyri
What are the valleys called
sulci
Whats the frontal lobe responsible for
executive function
Whats the parietal lobe responsible for
has somatic sensory cortex for processing tactile information
What does the temporal lobe contain
has hippocampus (short term memory)
amygdala (emotion)
Wernicke’s area (auditory perception and speech )
Whats the occipital lobe responsible for
visual processing
What does the brainstem consist of
midbrain, pons and medulla
What does the cerebellum do
role in co ordination, posture and balance
What is a neuron
a mature non dividing excitable cell
What’s a unipolar neuron
1 axonal projection
whats a pseudo unipolar neuron
single projection bifurcates into 2 different branches
Whats a bipolar neuron
2 projections from cell body (1 is an axon, the other is a dendrite)
Whats a multipolar neuron
neuron with lots of projections
Name a characteristic of pyramidal cells
‘pyramid’ shaped cell body
Name a characteristic of purkinje cells
GABA neurons in cerebellum
Name a characteristic of golgi cells
GABA neurons in cerebellum
Give 3 features of neurons
excitable
non dividing
heterogenous
what else is the soma known as
perikaryon and cell body
What are astrocytes involved in
most abundant cell in the mammalian brain of the CNS Cell repair Neuronal Maturation Synapse formation Plasticity Also involved in the blood brain barrier
