Five
Five (5)
Five (pronounced: /faɪv/) is a number, numeral, and glyph. It is the natural number following four and preceding six. In the context of medical terminology, the number five is often used to denote quantity or order in a series.
Etymology
The word "five" comes from the Old English fīf, which is first attested in the 1st-century runic inscriptions as the Anglo-Saxon fēoh (ᚠ). It is derived from the Proto-Germanic *fimf, which is related to the Proto-Indo-European *penkʷe.
Medical Terminology
In medical terminology, the prefix pent(a)- is derived from the Greek pente, meaning five. This prefix is used in various medical terms. For example:
- Pentose: A type of sugar with five carbon atoms.
- Pentamer: A protein complex made up of five subunits.
- Pentadactyl: Having five fingers or toes.
The number five is also significant in the field of medicine for the following reasons:
- The human hand typically has five fingers, including the thumb.
- The human foot typically has five toes.
- There are five senses: sight, hearing, taste, smell, and touch.
- The Apgar score, a quick test performed on a baby at 1 and 5 minutes after birth, has five components: heart rate, respiratory effort, muscle tone, reflex response, and color.
Related Terms
- Quintuplet: One of five offspring born at the same time from the same pregnancy.
- Quinquennial: Occurring every five years.
- Quintessence: The fifth and highest element in ancient and medieval philosophy that permeates all nature and is the substance composing the celestial bodies.
External links
- Medical encyclopedia article on Five
- Wikipedia's article - Five
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