| tetramera | <zoology> A division of Coleoptera having, apparently, only four tarsal joints, one joint being rudimentary. Origin: NL. See Tetramerous. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| Tetrameres | A genus of stomach-infecting parasitic nematodes (family Spiruridae) of birds. When filled with eggs, the female worm is enormously enlarged and has a globular, blood-red appearance. Species include Tetrameres americana, found in the proventriculus of chickens (sometimes severely pathogenic in young chicks), turkeys, grouse, and quail, and transmitted by infected cockroaches and grasshoppers, and Tetrameres fissispina, found in the proventriculum of ducks, geese, wild waterfowl, pigeons, and doves but rarely in gallinaceous birds. Origin: see tetrameric (05 Mar 2000) |
| tetrameric | Tetramerous Having four parts, or parts arranged in groups of four, or capable of existing in four forms. Origin: tetra-+ G. Meros, part (05 Mar 2000) |
| tetramerous | Of a flower, having four segments in each perianth whorl, and usually in each whorl of stamens also. (09 Oct 1997) |