| volute | 1. A spiral scroll which forms the chief feature of the Ionic capital, and which, on a much smaller scale, is a feature in the Corinthian and Composite capitals. 2. <zoology> A spiral turn, as in certain shells. 3. <zoology> Any voluta. Volute spiring, a spring formed of a spiral scroll of plate, rod, or wire, extended or extensible in the direction of the axis of the coil, in which direction its elastic force is exerted and employed. Origin: F. Volute (cf. It. Voluta), L. Voluta, from volvere, volutum, to roll. See Voluble. Source: Websters Dictionary (01 Mar 1998) |
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| volutin | A nucleoprotein complex found as cytoplasmic granules in certain bacteria, yeasts, and protozoa (such as trypanosome flagellates) which serves as food reserves. Synonym: volutin granules. (05 Mar 2000) |
| volutin granule | Metachromatic granules containing polyphosphate, a linear phosphate polymer found in bacteria, fungi, algae and some higher eukaryotes that may serve as a stock of phosphate. (18 Nov 1997) |
| volutin granules | A nucleoprotein complex found as cytoplasmic granules in certain bacteria, yeasts, and protozoa (such as trypanosome flagellates) which serves as food reserves. Synonym: volutin granules. (05 Mar 2000) |
| volution | 1. A spiral turn or wreath. 2. <zoology> A whorl of a spiral shell. Origin: Cf. LL. Volutio an arch, vault. Source: Websters Dictionary (01 Mar 1998) |
| volva | <botany> A saclike envelope of certain fungi, which bursts open as the plant develops. Origin: L. Volva, vulva, covering. Source: Websters Dictionary (01 Mar 1998) |
| volvocida | An order of plantlike, flagellate protozoa commonly found in freshwater habitats. Characteristics include the presence of a cellulose wall and two-to-four equal, smooth, apical flagella. (12 Dec 1998) |
| Volvox | A genus of colonial flagellates. The colony is a hollow sphere about 0.5mm in diameter comprising about 50,000 cells embedded in a gelatinous wall and the cells are sometimes connected by cytoplasmic bridges. Each cell has a chloroplast and two flagella. (18 Nov 1997) |
| volvulosis | Infection with nematodes of the genus onchocerca. Characteristics include the presence of firm subcutaneous nodules filled with adult worms, pruritus, and ocular lesions. (12 Dec 1998) |
| volvulus | <medicine> The spasmodic contraction of the intestines which causes colic. Any twisting or displacement of the intestines causing obstruction; ileus. See Ileus. Origin: NL, fr. L. Volvere to turn about, to roll. Source: Websters Dictionary (01 Mar 1998) |
| volyer | <zoology> A lurcher. Source: Websters Dictionary (01 Mar 1998) |
| vomer | <anatomy> A bone, or one of a pair of bones, beneath the ethmoid region of the skull, forming a part a part of the partition between the nostrils in man and other mammals. The pygostyle. Origin: L, a plowshare. Source: Websters Dictionary (01 Mar 1998) |
| vomer cartilagineus | A narrow strip of cartilage located between the lower edge of the cartilage of the nasal septum and the vomer. Synonym: Jacobson's cartilage, paraseptal cartilage, vomer cartilagineus, vomerine cartilage, vomeronasal cartilage. (05 Mar 2000) |
| vomeral groove | The groove on the anterior border of the vomer that receives the septal cartilage. Synonym: sulcus vomeralis, sulcus vomeris, vomeral sulcus. (05 Mar 2000) |
| vomeral sulcus | The groove on the anterior border of the vomer that receives the septal cartilage. Synonym: sulcus vomeralis, sulcus vomeris, vomeral sulcus. (05 Mar 2000) |