What is defined as an actual cut or slice of the body to reveal internal anatomy?

The term that accurately describes an actual cut or slice of the body used to reveal internal anatomy is "section." In anatomical studies, sections are crucial for understanding the organization of tissues and organs. When a body or a specimen is sectioned, it allows for a direct view of the internal structures in a way that is clear and organized.

This process is essential in fields such as medical imaging and dissection, where visualizing the arrangement of anatomical features can aid significantly in diagnostics and education. Each section can illustrate different planes and perspectives, providing vital information regarding the spatial relationships among various structures within the body. Understanding how sections are made and their relevance helps students and medical professionals interpret anatomical information accurately.