Rat Reproductive System. Dissection. Pre-lab. Prepare the dissection tray and equipment. Put on your gloves. Retrieve your rat from the tray in your cabinet. Remove the skin from around your rat and place it in your zip-lock bag. Lay the rat in the dissection tray ventral side up.
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Rat Reproductive System
Look for the ovaries embedded in adipose tissue.
In the rat, the ovaries are located at the superior end of the uterine horn. In each picture, the probe is pointing to the ovaries.
Note the blisters on the ovaries. These may be developing follicles which contain the secondary oocyte.
This is the V-shaped uterine horn in a rat that is not pregnant
The uterine horns meet at a structure called the "body of the uterus".
The body opens at the cervix into the vagina.
Note the bladder in the foreground.
This is the V shaped uterine hornin a pregnant rat.
The rat embryos are developing in these horns.
A uterine horn containing well developed embryos.
Cut open the scrotum and scrotal sacs to reveal the epididymis and testes.
The rat has two prostate glands located under the bladder. A male human only has one prostate gland.
If it has not already been done, cut anteriorly into the urogenitalopening. This will expose the penis.
Place your rat in your zip-lock bag and throw the bag with the rat in the garbage. No tears please.
Clean and dry your instruments.