| telencephalic flexure | A flexure appearing in the embryonic forebrain region. (05 Mar 2000) |
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| transverse rhombencephalic flexure | The dorsally concave curvature of the rhombencephalon in the embryo; appearance indicates division of rhombencephalon into myelencephalon and metencephalon. Synonym: basicranial flexure, transverse rhombencephalic flexure. (05 Mar 2000) |
| flexure | 1. The act of flexing or bending; a turning or curving; flexion; hence, obsequious bowing or bending. "Will it give place to flexure and low bending?" (Shak) 2. A turn; a bend; a fold; a curve. "Varying with the flexures of the valley through which it meandered." (British Quart. Rev) 3. <zoology> The last joint, or bend, of the wing of a bird. 4. <astronomy> The small distortion of an astronomical instrument caused by the weight of its parts; the amount to be added or substracted from the observed readings of the instrument to correct them for this distortion. <mathematics> The flexure of a curve, the bending of a curve towards or from a straight line. Origin: L. Flexura. Source: Websters Dictionary (01 Mar 1998) |
| left colic flexure | The bend at the junction of the transverse and descending colon. Synonym: flexura coli sinistra, splenic flexure. (05 Mar 2000) |
| lumbar flexure | The normal ventral curve of the vertebral column in the lumbar region. (05 Mar 2000) |