Which of the following is NOT a term associated with animal positioning?

The term "photosynthesis" is not related to animal positioning. It specifically refers to the process by which green plants and some other organisms convert light energy into chemical energy, using sunlight to synthesize foods from carbon dioxide and water. This process is vital for plant life and contributes oxygen to the atmosphere but has no connection to how animals are positioned anatomically or during procedures.

In contrast, the other terms are directly associated with animal positioning. "Lateral" refers to the side of the body or a position further from the midline, "rostral" relates to positions toward the nose or front of the head, and "medial" indicates a position closer to the midline of the body. Understanding these terms is essential for accurately describing both the anatomical orientation and the positioning of animals for various veterinary procedures.