What's the difference between Federal Law and State Law? Federal law is created at the national level, and applies to the entire nation (all 50 states and the District of Columbia), and U.S. territories. The U.S. Constitution forms the basis for federal law; it establishes government power and responsibility, as...
The clitoris is the female homolog of the male penis. In fact, the urethra/clitoris actually visually resembles a penis making it difficult for some people to sex rats accurately. In the female rat, preputial glands are exocrine glands that are located near the clitoris that produce pheromones.
Rats also deposit small drops of urine on each other. This is called conspecific urine marking (conspecific means same species), and it occurs when one rat crawls over another and deposits a drop or two of urine, leaving a wet patch on the fur of the other rat (Grant 1963).