Retro
Retro
Retro (/ˈrɛtroʊ/; from Latin retro, meaning 'backward') is a term used to describe aspects that are characterized by a trend, fashion, or style of a previous era. In the medical field, the term is often used in various contexts such as retrograde, retroperitoneal, and retrovirus.
Etymology
The term retro is derived from the Latin preposition retro, meaning 'backwards' or 'in past times'. It was first used in English in the early 20th century to describe a backward step or movement.
Related Terms
- Retrograde: In medicine, this term refers to a condition or process occurring or performed in a direction opposite to the usual direction. It is often used to describe a type of amnesia where the individual cannot recall events prior to the onset of the amnesia.
- Retroperitoneal: This term refers to the anatomical space in the abdominal cavity behind the peritoneum. It is where certain organs such as the kidneys and adrenal glands are located.
- Retrovirus: A type of RNA virus that inserts a copy of its genome into the DNA of a host cell that it invades, thus changing the genome of that cell. The Human Immunodeficiency Virus (HIV) is a well-known example of a retrovirus.
- Retroflex: In phonetics, a retroflex consonant is a coronal consonant where the tongue has a flat, concave, or even curled shape, and is articulated between the alveolar ridge and the hard palate.
- Retrobulbar: This term refers to the area located behind the globe of the eye. It is often used in the context of retrobulbar neuritis, an inflammation of the optic nerve.
- Retroaction: In medicine, this term refers to the action or effect of a drug or treatment that has a backward effect, influencing the cause of a disease or symptom.
External links
- Medical encyclopedia article on Retro
- Wikipedia's article - Retro
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