Viruses are even simpler than bacteria cells. The basic of structure of all viruses is similar. Viruses have a core of nucleic acid surrounded by a protein coat. At their core, all viruses contain either DNA or RNA.Unlike animal and plant cells, viruses do not contain both nucleic acid. The Capsid is the DNA or RNA core of a virus that is surrounded by a protein coat.The capsid protects the nucleic acid. Besides a Capsid, some viruses, especially animal viruses, are covered with another protective coating called an Envelope.iruses are even simpler than bacteria cells. The basic of structure of all viruses is similar. Viruses have a core of nucleic acid surrounded by a protein coat. At their core, all viruses contain either DNA or RNA.
Nasoalveolar Molding (NAM). NAM is a technique in which the alveolus (gum ridges) and/or nose are molded with an appliance similar to an orthodontic retainer.ypically, the NAM technique is started when your child is only 2 weeks old and is worn until his first surgery (typically at 6 months of age). The NAM is only effective in infants because their cartilage is malleable.
What Does PRN Stand For? (Medical Abbreviation & Meaning) The term PRN is a Latin phrase typically used in the medical field, which means pro re nata, translated, âas neededâor âwhen necessaryâ. Simply put when you hear or see someone use the abbreviation PRN within the medical field they are likely saying, use as needed. This is commonly used when prescribing medication (which weâll refer to primarily in this article), however it may also be used to refer to other things.