Mindblown: a blog about philosophy.

Any substance that can cause severe organ damage or death if ingested, breathed in, injected into the body or absorbed through the skin. Many substances that normally cause no problems, including water and most vitamins, can be poisonous if taken in excessive quantity. Poison treatment depends on the ‘substance.

That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system (PNS) is one of the two major divisions of the nervous system. The other is the central nervous system (CNS) which is made up of the brain and spinal cord. The nerves in the peripheral nervous system (PNS) connect the central nervous system…

Pneumonia in both lungs (right and left). Also known as double pneumonia.

Inflammation of one or both lungs, with dense areas of lung inflammation. Pneumonia is frequently but not always due to infection. The infection may be bacterial, viral, fungal, or parasitic. Symptoms may include fever, chills, cough with sputum production, chest pain, and shortness of breath. Pneumonia is suggested by the symptoms and confirmed by chest X-ray testing. Treatment includes antibiotics.

One of the cells lining the alveoli (the air sacs) in the lung. The alveoli are, in fact, lined with two types of cells termed the type 1 and type 2 pneumocytes:

Pneumocystis jiroveci (previously classified as Pneumocystis carinii), the organism that causes pneumocystis pneumonia (PCP). Pneumocystis jiroveci is found worldwide, in humans and animals. Serologic evidence indicates that most healthy children have been exposed to it by age 3 to 4. Pneumocystis pneumonia (PCP) occurs in immunosuppressed individuals and in premature, malnourished infants. The symptoms of pneumocystis pneumonia (PCP) include dyspnea (difficulty breathing), nonproductive…

Now called Pneumocystis jiroveci. 

Pneumocystis jiroveci (previously classified as Pneumocystis carinii), the organism that causes pneumocystis pneumonia (PCP). Pneumocystis jiroveci is found worldwide, in humans and animals. Serologic evidence indicates that most healthy children have been exposed to it by age 3 to 4. Pneumocystis pneumonia (PCP) occurs in immunosuppressed individuals and in premature, malnourished infants. The symptoms of pneumocystis pneumonia (PCP) include dyspnea (difficulty breathing), nonproductive…

Prefix pertaining to breathing, respiration, the lungs, pneumonia, or air.

A disorder of the muscles and joints of older persons characterized by pain and stiffness, affecting both sides of the body, and involving the shoulders, arms, neck, and buttock areas.