622358
Description
Mind Map by cookietime, updated more than 1 year ago
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Created by cookietime
about 10 years ago
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Neurones
- Structure
- cell body
- contains nucleus
- lots of rough endoplasmic reticulum
- produces proteins and neurotransmitters
- produces proteins and neurotransmitters
- contains nucleus
- dendrons
- dendrites
- carries nerve impulses TO cell body
- carries nerve impulses TO cell body
- dendrites
- axon
- single long fibre
- carries nerve impulses AWAY from cell body
- carries nerve impulses AWAY from cell body
- surrounded by
- Schwann cells
- protection and electrical insulation
- carry out phagocytosis
- removal of cell debris
- removal of cell debris
- involved in nerve regeneration
- nodes of Ranvier
- gaps between Schwann cells where there's no myelin sheath
- gaps between Schwann cells where there's no myelin sheath
- protection and electrical insulation
- wrapped around many times
- Schwann cells
- myelin sheath
- made of membranes of Schwann cells
- rich in myelin
- rich in myelin
- made of membranes of Schwann cells
- single long fibre
- cell body
- Types
- Myelin sheath
- unmyelinated neurones
- myelinated neurones
- transmit nerve impulses faster
- transmit nerve impulses faster
- unmyelinated neurones
- Classifications
- sensory
- receptor
- to intermediate or motor neurone
- to intermediate or motor neurone
- one dendron
- carries to cell body
- carries to cell body
- one axon
- carries away from cell body
- carries away from cell body
- receptor
- motor
- intermediate or sensory
- to effector
- glands
- muscles
- glands
- to effector
- long axon
- many short dendrites
- intermediate or sensory
- intermediate
- transmit between neurones
- transmit between neurones
- sensory
- Myelin sheath
- Specialised cells adapted to carry nerve impulses across the body.
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