Mouse Dissection Fundamentals

What are the main anatomical features of a laboratory mouse?

• The main anatomical features of a laboratory mouse include a small size, pointed snout, large ears, long tail, fur-covered body, four limbs with five toes each, and a simple digestive system.

• Short tail and no fur

• Large size with a flat snout

• Three limbs with four toes each

Describe the purpose of using a scalpel during dissection.

• To apply pressure during dissection.

• To hold tissues in place while cutting.

• To clean the dissection area before starting.

• The purpose of using a scalpel during dissection is to make precise and controlled incisions.

What is the significance of the mouse's organ systems in research?

• Mice have no relevance to human health research.

• Mice are only used for testing cosmetic products.

• Mice are primarily used for agricultural studies.

• Mice are significant in research due to their genetic similarity to humans, enabling the study of human diseases and the testing of treatments.

List the steps involved in preparing a mouse for dissection.

• 3. Cut the mouse into pieces

• 1. Gather materials, 2. Euthanize mouse, 3. Place on tray, 4. Secure limbs, 5. Clean surface, 6. Make incision.

• 2. Freeze the mouse

• 1. Discard materials

What safety precautions should be taken during a dissection?

• Use bare hands for handling specimens

• Wear PPE, handle tools carefully, work in a ventilated area, and follow disposal procedures.

• Ignore ventilation requirements

• Dispose of materials in regular trash