Cell that myelinates PNS nerves - ANS Schwann Cell
Cell that myelinates CNS nerves - ANS Oligodendrocyte
How many cranial nerves? - ANS 12 pairs
How many pairs of spinal nerves? - ANS 31 pairs
Which root do sensory nerves form? - ANS Dorsal
Which root do motor nerves form? - ANS Ventral
Throu...
UCL MBBS Y1 Thorax Anatomy (From
D&P)
Cell that myelinates PNS nerves - ANS Schwann Cell
Cell that myelinates CNS nerves - ANS Oligodendrocyte
How many cranial nerves? - ANS 12 pairs
How many pairs of spinal nerves? - ANS 31 pairs
Which root do sensory nerves form? - ANS Dorsal
Which root do motor nerves form? - ANS Ventral
Through what do mixed spinal nerves exit? - ANS Intervertebral foramina
What do mixed spinal nerves split into? - ANS Dorsal and ventral ramus
Smooth muscle in blood vessel nerve supply - ANS ONLY sympathetic
Ciliary muscle nerve supply - ANS ONLY parasympathetic
Do limbs have parasympathetic supply? - ANS no
, What range of vertebrae is the sympathetic nervous system? - ANS T1-L2
What do white rami communicantes do? - ANS provide inflow to the sympathetic trunk
What do grey rami communicantes do? - ANS Provide outflow from the sympathetic trunk.
Which vertebral levels give sympathetic innervation to the head? - ANS T1-2
What is the name of the sympathetic ganglion in the head? - ANS Superior cervical ganglion
Which vertebral levels give sympathetic supply to the upper limb? - ANS T3-T6
Which vertebral levels give sympathetic innervation to the heart, lungs or abdominal viscera? - ANS T1-
L2
Which vertebral levels provide sympathetic innervation to the abdominal and pelvic viscera? (Phrenic
sympathetic splanchnic nerves) - ANS T5-L2
Which cranial nerves are parasympathetic? - ANS 3 7 9 10
Which Sacral levels are parasympathetic? - ANS S2-4
Up to where does the vagus nerve reach? - ANS the last 1/3 of the transverse colon, sacral outflow then
takes over.
What are preganglionic fibres from S2-4 called? - ANS Pelvic splanchnic nerves
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