Skin is the soft outer tissue covering vertebrates. Other animal coverings, such as the arthropod exoskeleton have different developmental origin, structure and chemical composition. The adjective cutaneous means of the skin (from Latin cutis, skin).
Sorry to hear about your problem. The numbness in the ear can be due to variety of reasons. Some of them are. Diabetes. Peripheral neuropathy. Sensory nerve trauma. Ear infection. Cold. Cerebro vascular accident. Ear injury etc. As there is no history of trauma, so ear injury and sensory nerve trauma can be ruled out. Diabetes can be detected by undergoing a blood glucose test. This numbness can be caused by a preceding throat infection which can result in ear infection leading to numbness.
1 Conductive hearing loss-when hearing loss is due to problems with the ear canal, ear drum, or middle ear and its little bones (the malleus, incus, and stapes). 2  Sensorineural hearing loss (SNHL) - when hearing loss is due to problems of the inner ear, also known as nerve-related hearing loss.ther causes of conductive hearing loss are: infection; tumors; middle ear fluid from infection or Eustachian tube dysfunction; foreign body; and trauma (as in a skull fracture). Acute infections are usually treated with antibiotic or antifungal medications.