Quick Answer. The function of a synaptic knob is to change the action potential that is carried by axons into a chemical message. The chemical message then interacts with the recipient neuron or effector. This process is called synaptic transmission.
Over-the-counter (OTC) medicines that are recommended for head or pubic lice include: 1  Permethrin creme rinse 1% (such as Nix), which is a common first choice for treating head lice. 2  Shampoos containing pyrethrins and piperonyl butoxide (such as Rid), which are left on the hair for 10 minutes and then rinsed out.
Cyper WP. Cypermethrin is a synthetic pyrethroid class of insecticide that is found in Cyper WP, Cynoff EC, Cynoff WP, Demon EC, Demon WP pesticide concentrates. These products are used extensively by pest control professionals in the control of most household pests.