Life Span on Humans. Immediately after lice eggs hatch, the nymphs need food. Using their claws to crawl from the hair shafts to the scalp, young adult and mature lice feed on the hostâs blood multiple times throughout the day.
Confidence votes 7.6K. The Latin word for ear is auris (-is, f.). The diminutive, spelled either auricula or oricula, is used to refer to the external, visible part of the ear (it is the latter that gave rise to the modern Romance words for ear: Italian orecchio, Spanish oreja, French oreille, etc.).
Earwax, also known as cerumen, is a yellowish, waxy substance secreted in the ear canals. It plays an important role in the human ear canal, assisting in cleaning and lubrication, and also provides some protection from bacteria, fungi, and insects.he ear canal (external auditory meatus, external acoustic meatus, EAM) (Latin: meatus acusticus externus), is a tube running from the outer ear to the middle ear. The adult human ear canal extends from the pinna to the eardrum and is about 2.5 centimetres (1 in) in length and 0.7 centimetres (0.3 in) in diameter.