Topic: Substitution, Expression, & Definition,

Best Answer Explained in Below-:

The correct answer to the question "The treatment of skin diseases is known as-" is C) Dermatology. Dermatology is a specialized branch of medicine that focuses on the diagnosis, treatment, and prevention of skin disorders, as well as conditions related to hair and nails. This field encompasses a wide range of issues, including acne, eczema, psoriasis, skin infections, and skin cancer, among others.

The term "dermatology" is derived from the Greek word "derma," which means skin. Physicians who specialize in dermatology, known as dermatologists, undergo extensive training to understand the complexities of skin diseases and their treatments. They utilize a variety of techniques, including medical, surgical, and cosmetic interventions, to manage skin conditions effectively.

The other options presented—Darmitolgy, Dermitology, and Dormatology—are incorrect variations or misspellings of the term. Only "Dermatology" accurately reflects the established medical discipline dedicated to skin health. Understanding the scope of dermatology not only highlights the importance of skin care but also emphasizes the critical role dermatologists play in identifying and treating various skin-related issues.