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.
Letâs deal with the Muscovy Duck first, as itâs pretty easy to tell. The most obvious character of a muscovy is the red facial skin. If your duck has a red face, itâs probably a Muscovy Duck. This red skin can be quite bumpy, exaggerated, and frankly, gross, with a knob on top of the bill and lumps all over. If you see that, itâs a slam dunk Muscovy Duck.