The investigator places the rat in a plastic restraining tube ... incision becomes an inverted 'L' shape (with the tail pointing to the left side for a right-handed surgeon).

Techniques for blood collection from the rat include puncture of the heart, retro-orbital plexus, jugular vein, saphenous vein, tail blood vessels, carotid artery, abdominal aorta, and vena cava.

Their long tails have dark brown stripes, and there is a dark line on each side of their noses. They measure approximately nine inches in length, more than half of which is their tail. Like all ...