We have encountered two additional. groups of patientsin whom retrograde flow. of contrast medium in a vertebral artery. was not associated with proximal inÂ­. nominate or subelavian arterial stenosis. or occlusion.
1 Muffet's name could come from the children's nursery rhyme Little Miss Muffet, in which a young girl eating cottage cheese is scared away by a spider.  Her flavor text alludes the poem The Spider and the Fly.
Murashige and Skoog medium (or MSO or MS0 (MS-zero)) is a plant growth medium used in the laboratories for cultivation of plant cell culture.MSO was invented by plant scientists Toshio Murashige and Folke K. Skoog in 1962 during Murashige's search for a new plant growth regulator.long with its modifications, it is the most commonly used medium in plant tissue culture experiments in laboratorium. As Skoog's doctoral student, Murashige originally set out to find an as-yet undiscovered growth hormone present in tobacco juice.