| Dipus sagitta | A small rodent of southern Russia that serves as a vector, through fleas, of Yersinia pestis (plague bacillus). Origin: G. Dipous, jerboa, two-footed; L. Sagitta, arrow (05 Mar 2000) |
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| sagitta | 1. <astronomy> A small constellation north of Aquila; the Arrow. 2. The keystone of an arch. 3. <geometry> The distance from a point in a curve to the chord; also, the versed sine of an arc; so called from its resemblance to an arrow resting on the bow and string. 4. <anatomy> The larger of the two otoliths, or ear bones, found in most fishes. 5. <zoology> A genus of transparent, free-swimming marine worms having lateral and caudal fins, and capable of swimming rapidly. It is the type of the class Chaetognatha. Origin: L, an arrow. Source: Websters Dictionary (01 Mar 1998) |
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| acephalus dipus | A foetus lacking a head but showing two recognizably developed lower limbs. (05 Mar 2000) |
| sympus dipus | A sirenomelus with both feet more or less distinct. (05 Mar 2000) |
| dicephalus dipus dibrachius | A dicephalus in which the merging of the bodies has obliterated the appendages on the side of the union, leaving only two arms and two legs for the double body. (05 Mar 2000) |
| dicephalus dipus tetrabrachius | A dicephalus with two legs and four separate arms. (05 Mar 2000) |
| dicephalus dipus tribrachius | A dicephalus with two legs and three arms. (05 Mar 2000) |
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