CSF - Cerebrospinal fluid; fills the sub-arachnoid space
Dura mater - Outermost and thickest protective layer
Arachnoid mater - Layer attached directly deep to the dura
Pia mater - Deepest layer laying on the brain's surface
Conus medularis - Termination point of the spinal cord around L1/L2
C...
Spinothalamic - ✔✔(antero and lateral) takes pain, temperature, itch, and tickle to the
thalamus; decussates in the cord upon level of entry
Posterior (Dorsal) Columns - ✔✔(Cuneate and Gracile) takes touch, pressure, and vibration
to the thalamus; decussates in the medulla
Corticospinal - ✔✔Motor tract that usually ends in -spinal; efferent pathway
, Parasympathetic - ✔✔Division of the autonomic nervous system responsible for 'Rest and
Digest' functions
Sympathetic - ✔✔Division of the autonomic nervous system responsible for 'Fight or Flight'
responses
Cholinergic - ✔✔Receptors that respond to acetylcholine
Adrenergic - ✔✔Receptors that respond to adrenaline or noradrenaline
Autonomic dysreflexia - ✔✔A potentially dangerous clinical syndrome in individuals with
spinal cord injury
Lateral grey horns - ✔✔Located in the Thoracic and Lumbar spine
Cranial nerves - ✔✔Nerves that emerge directly from the brain, including the Vagus Nerve
(X) and Oculomotor Nerve (III)
Sacral nerves - ✔✔Nerves originating from the sacral region of the spinal cord
Sympathetic trunk - ✔✔Part of the sympathetic nervous system that runs along the
vertebral column
Prevertebral ganglia - ✔✔Ganglia located anterior to the vertebral column
Terminal ganglia - ✔✔Ganglia located near or on the effector organ
Pre-ganglionic nerve - ✔✔Nerve that comes before the ganglion in the autonomic nervous
system pathway
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