Latest John F. Fallon Stories
MADISON - Feathers are the essence of birds. Without them, birds could not fly or attract mates. But how exactly do feathers form molecularly? Experimentally testing one current hypothesis, developmental biologists at University of Wisconsin Medical School believe they now have the answer. In a previous study, UW anatomy professor John F. Fallon and his team showed that Sonic hedgehog (Shh) and bone morphogenetic protein 2 (Bmp2) must be expressed in order to produce barb ridges, which are...
- Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
- Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
- Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
- A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.