Function of the Axon Hillock. The axon hillock is a unique area within neurons because of its ability to process the incoming signals from other cells. To understand how this works, let's look at what a chemical impulse really is.
Permethrin is an active-ingredient insecticide used in many professional pest-control products to control a wide variety of pests, including ticks, fleas, mosquitoes, bedbugs, chiggers, flies, termites, and cockroaches. Permethrin is often used as a spray on fabrics, clothing, and bed nets to repel or kill insects.
PROS: 1  Topical treatment for fleas, ticks and lice. 2  Active ingredient is the insect growth regulator, S-methoprene, which kills flea eggs and larvae. 3  Kills fleas, flea eggs, flea larvae, ticks and chewing lice for up to 30 days. 4  Stops the flea life cycle and kills flea eggs and larvae for up to 12 weeks.