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Commas are often used to enclose parenthetical words and phrases within a sentence (i.e., information that is not essential to the meaning of the sentence). Such phrases are both preceded and followed by a comma, unless that would result in a doubling of punctuation marks or the parenthetical is at the start or end of the sentence. The ...
Second, medical roots generally go together according to language, i.e., Greek prefixes occur with Greek suffixes and Latin prefixes with Latin suffixes. Although international scientific vocabulary is not stringent about segregating combining forms of different languages, it is advisable when coining new words not to mix different lingual roots.
The phrase a great singer, set off by commas, is both an appositive and a parenthesis. A dog (not a cat) is an animal that barks. The phrase not a cat is a parenthesis. My umbrella (which is somewhat broken) can still shield the two of us from the rain. The phrase which is somewhat broken is a parenthesis. Please, Gerald, come here!
Punctuation in the English language helps the reader to understand a sentence through visual means other than just the letters of the alphabet. [1] English punctuation has two complementary aspects: phonological punctuation, linked to how the sentence can be read aloud, particularly to pausing; [2] and grammatical punctuation, linked to the structure of the sentence. [3]
The question comma has a comma instead of the dot at the bottom of a question mark, while the exclamation comma has a comma in place of the point at the bottom of an exclamation mark. These were intended for use as question and exclamation marks within a sentence, a function for which normal question and exclamation marks can also be used, but ...
Meaning ā (a with a bar over it) before (from Latin ante) before: A: assessment a.a. of each (from Latin ana ana) amino acids: A or Ala – alanine; C or Cys – cysteine; D or Asp – aspartic acid; E or Glu – glutamic acid; F or Phe – phenylalanine; H or His – histidine; I or Ile – isoleucine; K or Lys – lysine; L or Leu ...
A comma before or after the material can also be used, though if the sentence contains commas for other purposes, visual confusion may result. A dash before and after the material is also sometimes used. Parentheses may be used in formal writing to add supplementary information, such as "Senator John McCain (R - Arizona) spoke at length".
For example, "Stop!" has the punctuation inside the quotation marks because the word "stop" is said with emphasis. However, when using "scare quotes", the comma goes outside. Other examples: Arthur said the situation was "deplorable". (The full stop (period) is not part of the quotation.)