291560
Beschreibung
Mindmap von lynda_ashford_25, aktualisiert more than 1 year ago
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Erstellt von lynda_ashford_25
vor etwa 11 Jahre
|
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Structure of a Neuron
- Cell
body/soma-
contains the
nucleus,
ribosomes,
and
mitochondria
- Nucleus-
contains
chromosomes
- Ribosomes-
cell
synthesizes
new protein
molecules
- Mitochondria-
performs
metabolic
activities to
provide
energy
- Nucleus-
contains
chromosomes
- Dendrites-
branching
fibers lined
with synaptic
receptors
- Dendritic
spines- short
outgrowths that
increase
surface area
- Dendritic
spines- short
outgrowths that
increase
surface area
- Axon- the fiber of
constant diameter.
Conveys an impulse
towards other neurons,
organs and muscles
- Myelin sheath-
insulates the axon
to speed up
impulse
- Nodes of Ranvier-
interruptions along
the myelin sheath
- Nodes of Ranvier-
interruptions along
the myelin sheath
- Myelin sheath-
insulates the axon
to speed up
impulse
- Presynaptic
Terminal- branches
at the end of an axon
that swell at the tip.
Point at which axon
releases chemicals
that cross the
junction between
neurons
- Apical
dendrites-
go up and
down
between
- Basal
dendrites-
go left and
right withing
- Apical
dendrites-
go up and
down
between
Medienanhänge
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