| Wintersteiner compound F | Derived from cortisol and with similar physiological actions. (18 Nov 1997) |
|---|---|
| Wintersteiner rosettes | Rosette's found only in retinal embryonic tumours, formed by a group of columnar cells with a peripheral basement membrane arranged in a radial manner around a central cavity, the spokes corresponding to the photoreceptors. (05 Mar 2000) |
| Wintersteiner, Hugo | <person> Austrian ophthalmologist, 1865-1918. See: Wintersteiner rosettes. (05 Mar 2000) |
| winterweed | <botany> A kind of speedwell (Veronica hederifolia) which spreads chiefly in winter. Source: Websters Dictionary (01 Mar 1998) |