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Biology for Advanced Level Secondary Schools

           caput, corpus, and caudal regions and it is  and the anus. The kidney and ureter have
           connected to the tubular vas deferens which  the same composition as in males, except
           transports sperms from the epididymis to   that the urethra, which passes both urine
           the urethra. The urethra not only carries the   and sperms in males, in females the urethra
           urine, but also sperms through the penis   passes only urine conveyed from the bladder
           to the outside of the body. On the left and   and passes to the outside environment
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           right of the urinary bladder there are folded   through urethral opening.  The vagina
           glands called the seminal vesicles (vesicula   terminates to the long duplex tubes one
           seminalis) bearing a coagulating gland,
           and below the urinary bladder, which store   on each side called uterus, which later
           urine. There are other glands known as     accommodates multiple developing foetus.
           prostate glands at each side of the urethra   At the tip of each uterus is an ovary (eggs
           and Cowper’s glands, which are small       producing gland) which is enclosed within a
           ovoid structures, found at the root of the   thin-walled ovarian sac surrounded by fats.
           penis. There are two preputial glands, each   Each ovary is connected to the uterus via a
           wrapped on one side of the ventral wall.   single small undulating coil called fallopian
           Urinogenital system of a female mouse      tube (Figure 3.75).
           The female pelvic area has three openings;
           urethral opening, genital (vaginal) opening













                                                                      Adrenal gland
                                                                       Fat
                      Kidney                                          Ovary

                                                                       Uterus
                      Ureter
                                                                       Mesovarium of oviduct
                      Bladder
                                                                       Vagina
                                                                           Cut pelvic girdle


                                                                        Vagina
                                                                        Anus
                                                                        Clitoris


                               Figure 3.75 :The urinogenital system of a female mouse



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