Rats are similar in price to fetal pigs, but have adult musculature. If you desire a mammal specimen that is inexpensive, fully muscled and has well-developed genitalia, the rat is the specimen of choice. Pregnant rats are also available.
Plain: Circulatory system not injected with colors.
Single: Arteries injected with red latex.
Double: Arteries red, veins blue.
Triple: Arteries red, veins blue and hepatic portal veins yellow.
|7 to 9 in.|
|17.78 to 22.86cm|