Exam: IELTS

Definition: A type of antibiotic that comes from a soil bacterium and is used to treat infections caused by certain harmful bacteria.

Example: The doctor prescribed polymyxin to treat the patient's severe infection.

Definition: A medical condition that involves inflammation of multiple peripheral nerves at the same time, often leading to pain, weakness, or numbness in the affected areas.

Example: The patient was diagnosed with polyneuritis after experiencing weakness in both legs and hands.

Definition: Describing something that has more than one nucleus, often used in chemistry to refer to compounds with multiple cyclic structures.

Example: The polynuclear compound exhibited unique chemical properties due to its multiple nuclei.

Definition: A large molecule made up of many smaller units called nucleotides, which are the building blocks of DNA and RNA.

Example: Polynucleotides play a crucial role in genetic information storage and transfer.

Definition: A type of plastic made from the polymerization of olefins, commonly used in packaging and other products.

Example: Polyolefin materials are widely used in the production of plastic bags and containers.

Definition: A type of virus that can cause tumors in certain animals, particularly in young ones.

Example: Researchers are studying polyomavirus to understand its effects on animal health.

Definition: A small growth or structure that can be found in certain animals or as a noncancerous tumor in the lining of organs like the nose or intestines.

Example: The doctor found a polyp during the examination of the patient's colon.

Definition: A chain of amino acids that forms part of a protein, usually consisting of 10 to 100 amino acids.

Example: Insulin is a type of polypeptide that helps regulate blood sugar levels.

Definition: A condition where a person has an excessive desire to eat or an unusually high appetite.

Example: After his illness, he experienced polyphagia and felt hungry all the time.

Definition: The practice of using several different medications at the same time, often to treat multiple health issues, especially in older adults.

Example: Polypharmacy can lead to complications if not managed carefully by healthcare providers.