Description: PM1.036 is a pregnant, double injected rat specimen preserved in Perfect Solution®. Double injected rats have the arterial system injected with red latex, with a second injection of blue latex in systemic veins. The gestation period of the rat is 21 days. When you purchase a pregnant rat, the stage of pregnancy can vary from as short as a few days to as long as 18 days. This means that the development of the embryos can vary significantly. Unfortunately it is not possible for us to select particular specimens. Examining specimens that exhibit a range of developmental stages can be a useful educational experience. If you should have any questions about this, please contact us. Each Perfect Solution® Rat is sold in an individually sealed bag that allows long term storage; open only when you need to use the specimen. Perfect Solution® is Carolina Biological's revolutionary new fixative for preserved specimens that dramatically improves the quality of classroom dissection exercises. This innovative process is not based on traditional preserving methods, so Perfect Solution® is the ideal alternative when fresh or frozen specimens are not available. Perfect Solution® specimens are safe to use and are not subject to hazardous materials regulations or disposal restrictions.
Notes: For best results, carefully unpack your delivery of preserved specimens as soon as it arrives. Store the specimens in the dark in a single layer on a flat surface. A drawer or cupboard shelf is ideal. Do not refrigerate. Avoid stacking the specimens on top of each other or otherwise putting weight on them. Undue pressure can cause breakages in brittle specimens such as crayfish and grasshoppers, and can cause deformation of soft-tissue specimens such as brains and kidneys.