Pediculus Humanus is a scientific name for a particular type of head lice that commonly affects humans. Other synonyms for this term include "human head louse" and "head louse." These tiny parasites can be up to 3mm long and are grayish-white in color. Head lice are typically found near the scalp and can cause itching, redness, and infection if not treated promptly. Other synonyms for head lice include "critters," "cooties," and "nits." Treatment options for head lice include over-the-counter sprays and shampoos, prescription medications, and home remedies such as vinegar and baking soda. Regular hygiene practices and avoiding close contact with infected individuals can also help prevent the spread of head lice.