| saddle-shaped | Shaped like a saddle. <botany> Specifically: Bent down at the sides so as to give the upper part a rounded form. <geology> Bent on each side of a mountain or ridge, without being broken at top; said of strata. Source: Websters Dictionary (01 Mar 1998) |
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| helix-coil transition | <molecular biology> A change in the structure of a nucleic acid or protein molecule from a highly ordered, complex structure to a random, chaotic structure. Also means that the protein or nucleic acid becomes denatured. (09 Oct 1997) |
| surface coil | A detector coil applied directly to a body part for high resolution imaging; often a single loop of metal. (05 Mar 2000) |
| detector coil | A coil used in magnetic resonance imaging as an antenna to record radiofrequency emissions of stimulated nuclei, e.g., body coil, head coil. (05 Mar 2000) |
| e-coil | <radiobiology> The plasma current driving (Ohmic Heating) coil in a Doublet device. Ideally the E-coil makes no magnetic field in the confinement system. (09 Oct 1997) |
| tubercle of saddle | The slight elevation in front of the pituitary fossa (sella turcica) on the body of the sphenoid bone. Synonym: tubercle of saddle. (05 Mar 2000) |
| Turkish saddle | <anatomy> A transverse depression crossing the midline on the superior surface of the body of the sphenoid bone and containing the pituitary gland. It is named "turkish saddle" from its resemblance to the saddle used by turks. (12 Dec 1998) |