Report Introduction Full Link | Rat Dissection Lab

We predict that the rat’s internal anatomy will conform to the typical mammalian pattern, with all organs present in their expected topological positions. Specifically, we anticipate that the liver will be the largest abdominal organ, that the stomach will lie on the left side under the diaphragm, and that the small intestine will dominate the lower peritoneal cavity. Furthermore, due to the rat’s omnivorous diet, we expect the cecum to be moderately sized—larger than in a carnivore but smaller than in a strict herbivore. The following sections (Methods, Results, Discussion) will detail the procedures used to test these predictions and the observations made.

A full introduction often acknowledges the ethical dimension. Mention that the specimen was humanely euthanized (usually via CO₂ inhalation) and preserved in a non-toxic solution (or formalin, with safety precautions). This demonstrates maturity and scientific responsibility. rat dissection lab report introduction full