Earwax Earwax Earwax, also known by the medical term cerumen, is a gray, orange, or yellowish waxy substance secreted in the ear canal of humans and other mammals. It protects the skin of the human ear canal, assists in cleaning and lubrication, and also provides some protection against bacteria, fungi, insects, and water. Earwax consists of shed skin cells, hair, and the secretions of the ceruminous and sebaceous glands of the outside ear canal. Major components of earwax are long chain fatty acids, both saturated and unsaturated, alcohols, squalene, and cholesterol. Excess or compacted cerumen can press against the eardrum or
Body schema proprioceptive and visual elements to create an extended body schema. The mechanical device acted as an intermediate between the subject and the active object, and the subjects' failure to detect an afterimage in that context indicates that this concept of extension is limited to being sensitive to only what the body is directly in contact with. The alternate perspective is that the body is the limit of any sort of body schema. An example of this division is found in a study and discussion on personal and extrapersonal attention, where personal relates to the body's sense of itself (the body