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.
MARSUPIALS. MONOTREMES. FIND OUT MORE. A group of warm-blooded animals with a bony skeleton, mammals include mice and other RODENTS, PRIMATES, such as monkeys and humans, and animals as various as hippos, deer, and cats.The 4,500 or so species include elephants, the largest creatures on land, and whales, the largest of all animals on Earth.estation takes longer in some mammals than in others. In rodents, such as hamsters, it takes just two to three weeks. Larger mammals produce fewer offspring, which usually take much longer to gestate. Elephants take the longest time of allâ20 months.