Dec 4, '04. a cordis is a large-bore, usually single-lumen central line. it can be placed ij, subclavian, or femoral. it is also sometimes called an introducer, becuase it is frequently used as a pathway for a swan ganz (pa catheter) or transvenous pacer (the swan or pacer is floated through the cordis).
Best Answer: Why are they called 'magic markers'? The inventor Sidney Rosenthal named his new marking device Magic Marker because of its ability to mark on almost every surface. History of Pens & Writing Instruments. The first marker was probablythe felt tip marker, created in the 1940's. It was mainly used for labeling and artistic applications.
They have adopted the upright pentacle/pentagram, since it was the symbol of Morgan, an ancient Celtic goddess. Many wear it as jewelry and use it on their altars. The symbol is frequently traced by hand using an athame (a ritual knife) during Wiccan rituals. It is used to cast and banish their ritual circles.