Betacoronavirus the Latin “corona” meaning crown or halo, referring to their image under electron microscopy of crown-like spikes on their surface similar to the solar corona. This morphology is created by the viral spike (S) peplomers, which are proteins that populate the surface of the virus and determine host tropism. The order Nidovirales is named for the Latin nidus, which means nest. It refers to this order’s production of a 3' co-terminal nested set of subgenomic mRNA's during infection. Betacoronavirus Betacoronaviruses are one of four genera of coronaviruses of the subfamily "Coronavirinae" in the family "Coronaviridae", of the order "Nidovirales". They
Latin word order approval: He notes that the sentence would be ruined rhythmically if the word order of the last three words were changed to "comprobavit fili temeritas". What was apparently admired here was the clausula of "comprobavit" with its double trochaic – u – – rhythm; whereas "temeritas" would make a rhythm of u u u –, which Cicero says would produce an unsatisfying effect in Latin, despite being recommended by Aristotle. The 1st-century A.D. teacher of oratory, Quintilian, remarks that hyperbaton (switching words round) is often used to make a sentence more euphonious. He gives the example of the following sentence