Peripheral nerve cross section fascicle ,axon, supporting elastic & fibrous tissue.
Intrinsic & Extrinsic blood vessels & their function

Describes the structures inside the nerve bundles that pose as a barrier to diffusion of LA.
Describes the different layers that make up the peripheral nerve epineurium ,endoneurium ,perineurium etc
Mantel & core bundles.
Tells how fasciculi are formed
Perilemma & mesothelial cells
the layers that form barriers to diffusion of Local anaesthesia.
Answers why lingual nerve has more chances of getting injured during inferior alveolar nerve block.
Answers why recovery from LA is slower than induction.