| antenatal | <epidemiology> The period between conception and birth. Same as prenatal. (05 Dec 1998) |
|---|---|
| antenatal diagnosis | Determination of the nature of a pathological condition or disease in the postimplantation embryo, foetus, or pregnant female before birth. (12 Dec 1998) |
| antenna | Origin: L. Antenna sail-yard; NL, a feeler, horn of an insect. <zoology> A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids. Source: Websters Dictionary (01 Mar 1998) |
| antennal | <zoology> Belonging to the antennae. Source: Websters Dictionary (01 Mar 1998) |
| antennal complex | <cell biology> Light harvesting complexes (LHC) of protein and pigment in or on photosynthetic membranes of bacteria are organised into arrays, called antennae. They transfer photon energy to reaction centres. (18 Nov 1997) |
| Antennapedia | <molecular biology> Homeotic gene of Drosophila, controlling thoracic/head fate determination. In addition to the homeobox, there is also a 6 amino acid antennapedia specific consensus, shared by a range of homeotic genes in human, mouse, chicken, Xenopus, newt, zebrafish and Caenorhabditis. (18 Nov 1997) |
| antennapedia complex | A set of mutations that cause developmental defects in the limbs and appendages of the fruit fly Drosophila melanogaster, such as the development of legs (-pedia) in the places where antennae are supposed to be. (09 Oct 1997) |
| antenniferous | <zoology> Bearing or having antennae. Origin: Antenna. Source: Websters Dictionary (01 Mar 1998) |
| antennule | <zoology> A small antenna; applied to the smaller pair of antennae or feelers of Crustacea. Origin: Dim. Of antenna. Source: Websters Dictionary (01 Mar 1998) |
| anteorbital | <anatomy> Same as Antorbital. Source: Websters Dictionary (01 Mar 1998) |
| antepartum | Before labour or childbirth. Compare: intrapartum, postpartum. Origin: ante-+ L. Pario, pp. Partus, to bring forth (05 Mar 2000) |
| antependium | The hangings or screen in front of the altar; an altar cloth; the frontal. Origin: LL, fr. L. Ante + pendere to hang. Source: Websters Dictionary (01 Mar 1998) |
| antephialtic | <medicine> Good against nightmare. A remedy nightmare. Origin: Pref. Anti- + Gr. Nightmare. Source: Websters Dictionary (01 Mar 1998) |
| antepileptic | <medicine> Good against epilepsy. A medicine for epilepsy. Origin: Pref. Anti- + epileptic. Source: Websters Dictionary (01 Mar 1998) |
| anteposition | Forward or anterior position. (05 Mar 2000) |