From proto- + intron. <span class="searchmatch">protointron</span> (plural <span class="searchmatch">protointrons</span>) (genetics) A section of RNA that develops into an intron...
<span class="searchmatch">protointrons</span> plural of <span class="searchmatch">protointron</span>...
longish introns. exon, extron exitron intronic intronization intronless <span class="searchmatch">protointron</span> twintron genetics: portion of a split gene that is included in pre-RNA...
protoindustrial proto-industrialization protoindustrialization proto-industry <span class="searchmatch">protointron</span> Proto-Inuit Proto-Inupik protiodide protoiodide Proto-Iranian proto-iron...