What exactly is an erythrocyte sedimentation rate (ESR)? Find out in this lesson as we discuss the definition and normal range of an erythrocyte sedimentation rate as well as how it is done. Joint Pain
Ear wax performs the function of providing some protection against water. It also carries bacteria with it out of the ear canal. So by protecting the skin in the canal from water and by carrying away bacteria, ear wax can help prevent infections of the ear canal. Ear wax performs the function of providing some protection against water. It also carries bacteria with it out of the ear canal.
Normally, a small amount of wax accumulates and then dries up and falls out of the ear canal, carrying with it unwanted dust or sand particles. Ear wax is helpful to coat the skin of the ear canal where it acts as a temporary water repellent. The absence of ear wax may result in dry, itchy ears, and even infection. Ear wax is formed in the outer third of the ear canal. Cerumen varies in form and appearance from person to person. It may be almost liquid, firm and solid, or dry and flaky. The color of ear wax varies depending upon its composition. Glandular secretions, sloughed skin cells, normal bacteria present on the surface of the canal, and water may all be present in ear wax.