See Also: plesiosaur(medicine)
plesiosaur(dictionary)
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Dells Area Health Center Avera Health(health)
Hegg Memorial Health Center Avera Health(health)
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RNA (health) and plesiosaur (iou)


RNA (health)


Ribonucleic acid. A long-chain, usually single-stranded. The primary function of RNA is protein synthesis within a cell. However, RNA is involved in various ways in the processes of expression and repression of hereditary information. The three main functionally distinct varieties of RNA molecules are: (1) messenger RNA (mRNA) which is involved in the transmission of DNA information, (2) ribosomal RNa (rRNA) which makes up the physical machinery of the synthetic process, and (3) transfer RNA (tRNA) which also constitutes another functional part of the machinery of protein synthesis.





plesiosaur (iou)



plesiosaur noun. M19.
[mod. Latin Plesiosaurus genus name, formed as PLESIO-: see -SAUR.]
Any of a group of extinct marine reptiles of Mesozoic times, having a small head (often on a long neck), a short tail, and four large paddle-like limbs.
plesio'saurian adjective & noun (a) adjective of, pertaining to, or characteristic of a plesiosaur; (b) noun a plesiosaur: M19.
plesio'sauroid adjective & noun (designating or characteristic of) a long-necked plesiosaur M19.
plesio'saurus noun, pl. -ri , -ruses, a plesiosaur of the genus Plesiosaurus, with a long neck M19.