Mesoderm lining the coelom forms mesothelium. Separation of Peritoneal and Pleural Cavities: In the adult, peritoneal and pleural cavities are separated by the diaphragm. The diaphragm isformed by a septum transversum, paired pleuroperitoneal folds, and somatic mesoderm.
Myth: If Iâm diagnosed with HIV, my life is over. Fact: Having HIV does not automatically mean you have AIDS. Many years may pass before people with the virus feel ill or develop the disease. Many people now live long and active lives with HIV because of medical advancements.
Advanced Symptoms of HIV/AIDS. As HIV progresses, there may be bouts of diarrhea, nausea, vomiting, and weight loss. Other symptoms include severe headache, joint pain, and muscle aches. Shortness of breath, chronic cough, and difficulty swallowing are not uncommon. In the later stages, HIV can lead to short-term memory loss, mental confusion, and coma. The most advanced stage of HIV is called acquired immune deficiency syndrome (AIDS). At this stage, the immune system is severely compromised and infections become increasingly difficult to fight off.