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.
Fleas are most vulnerable off the host where they are preyed on by general predators, including ants, beetles, and earwigs. The larvae and pupae are most susceptible. In addition, certain species of nematodes are internal flea parasites that can kill fleas. Monkeys eat the fleas off of each other.