Other Flashcards
CNS parts
Brain + spinal cord
PNS parts
Cranial and spinal nerves
Somatic nervous system control
Skeletal muscle
Afferent and efferent fibres
Autonomic nervous system control
Internal organs
Fight or flight response
Sympathetic control
Nervous activity
Parasympathetic control
Slows nervous system
Ganglia
Group of nerve cell bodies in the PNS that act as intermediates between two nervous systems
Plexus
Branching network of nerves or vessels
Dermatome
Area of skin supplied by single spinal nerve
Myotome
Muscles innervated by single spinal nerve
Dorsal ramus innervation
Back muscles
Ventral ramus innervation
Body and limb muscles
Denticulate ligament
Attaches pia mater to arachnoid mater and dura mater
3 meninges
Dura mater
Arachnoid mater
Pia mater
Number of cervical nerves
8
Number of thoracic nerves
12
Number of lumbar nerves
5
Number of sacral nerves
5
Filum terminale internum/externum
Attaches spinal cord to spinal column