3573676
Beschreibung
Mindmap von Jeannene Rumball, aktualisiert more than 1 year ago
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Erstellt von Jeannene Rumball
vor etwa 9 Jahre
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Neural Tissue
- neural tissue — aka nerve/nervous tissue specialized
for the propagation (movement) of electrical
impulses fro one region of body to next 98% of neural
tissue in body is the brain and spinal cord — control
centres of nervous system frequency and pattern of
electrical impulses convey info
- 2 Types
- neurons — longest cells in body —
cannot divide after injury has a large cell
body w/ large nucleus and nucleolus —
extending from cell body are branched
projections called dendrites (receive info
from other neurons) and one axon
(conducts info to other cells) bc axons are
very long and slender, they are also called
nerve fibres
- neuroglia — several kinds of supporting
cells support and repair neural tissue and
supply nutrients
- neurons — longest cells in body —
cannot divide after injury has a large cell
body w/ large nucleus and nucleolus —
extending from cell body are branched
projections called dendrites (receive info
from other neurons) and one axon
(conducts info to other cells) bc axons are
very long and slender, they are also called
nerve fibres
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