- 30 - HISTOLOGY. 



52. Nerve. Take a small piece of nerve from a toad, tease out one end in 0-65 per 

 cent NaCl, mount and examine under both powers. Draw : nerve fibres ; neurilemma ; 

 fatty sheath with nodes of Ranvicr ; axon. 



53. Nerve. Examine a transverse section of the sciatic nerve of a toad. Show in 

 your drawing : perirteurium, surrounding bundles of nerve fibres ; neurilemma ; fatty 

 sheath ; axon. 



54. Nerve. Examine the demonstration specimens of the following : 



(a) Nerve cell, showing nucleus ; commencement of axon ; basis of dendrites. 



(b) Dendrites of a nerve cell of the brain. 



(c) End-plate of an axon on a muscle fibre. 



