Search for. Cyclobenzaprine is a muscle relaxant used to treat muscle spasms caused by painful muscle conditions. Typically it is used with rest, physical therapy, and other measures when treating strains, sprains and other muscle injuries.Cyclobenzaprine is also a drug treatment option for fibromyalgia symptoms.skDocWeb: Muscle relaxants such as Cyclobenzaprine (Flexeril) and Orphenadrine (Norflex) have been reported to cause erectile dysfunction in a small percentage of users. If you experience ED and think that it may be a result of your medication, do not stop taking the medication without first consulting your doctor.
Figure 3. Representative monotreme (echidna; a,c) and marsupial (tammar wallaby; b,d) reproductive systems. In females (a,b) the ureters pass medially preventing fusion to form a single uterus as occurs in most eutherian mammals. In male monotremes (c) the testes are held within the abdominal cavity, whilst in most male marsupials (d) the testes descend into a scrotum (not shown) anterior to the penis.
The most well-known defining feature of marsupial mammals are the females' pouches. They give birth to live offspring, but with significantly shorter gestation periods than placental mammals. Offspring are born as not much more than embryos.angaroos. Kangaroos are probably the most famous marsupial mammals. There are more than 50 different kangaroo species, including red kangaroos, gray kangaroos and some smaller cousins of the same family, like wallabies, wallaroos and quokkas.