14 Apr 2012. Home INR monitors are simple to use and provide accurate results. You don't need any medical experience or technology skills to perform the simple INR test. The listed monitors are all approved for professional and home use allowing you immediate INR test values resulting in improved care.
Lampreys and hagfishes are the only jawless vertebrates to survive today. They both have a round mouth and for this reason are often referred to as cyclostomes. They are the most primitive of the vertebrates. By primitive, a biologist means that they are the least changed from the first vertebrates.1  They have no paired pectoral (shoulder) or pelvic (hip) fins. 2  Their notochord persists for life, never being completely replaced by a backbone even in the lampreys.3  They have no scales.y primitive, a biologist means that they are the least changed from the first vertebrates. 1  They have no paired pectoral (shoulder) or pelvic (hip) fins. 2  Their notochord persists for life, never being completely replaced by a backbone even in the lampreys. 3  They have no scales.
The search for the most primitive organisms still living today is a highly risky and uncertain task, In this paper, I have tried to convince the reader that even the wellestablished procaryotic dogma is not supported by real data.oese first suggested that the universal ancestor was a truly primitive organism, a progenote (Woese, 1981), i.e. an entity representing an evolutionary stage in between the very first living cells and modern procaryotes, fulfilling the dream of evolutionists. However, it turns out that molecular 172 Fig.