You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Rhinitis sicca involves and explain in detail?
Rhinitis sicca anterior means a chronic inflammation in the region of the anterior pa of the nose,affecting the anterior and caudal septum and/or the corresponding lateral nasal vestibule. It is also a crust-forming disease seen in patients who work in hot, dry and dusty surroundings, e.g. bakers, iron- and goldsmiths. Condition is confined to the anterior third of nose paicularly of the nasal septum. Here, the ciliated columnar epithelium undergoes squamous metaplasia with atrophy of seromucinous glands. Crusts form on the anterior pa of septum and their removal causes ulceration and epistaxis, and may lead to septal perforation. Ref ganong&;s review of medical physiology 25e