aedeagus n.; pl. -agi [Gr. aidoia, genitals; agein, to lead] (ARTHRO: Insecta) In males, the intromittent organ; distal part of the phallus: penis plus parameres. see penis, telopod.
aedoeotype n. [Gr. aidoia, genitals; typos, type] The first specimen in which the genitalia are studied.
aeneous, aeneus a. [L. aeneus, of bronze] Bright brassy or golden green in color.
aerate v.t. [Gr. aer, air] To combine or charge with air; to supply or impregnate with common air.
aeration n. [Gr. aer, air] 1. Exposure to air. 2. Impregnation of a liquid with air or oxygen. 3. Oxygenation of blood in lungs.
aerial a. [Gr. aer, air] Living or occurring in air.
aeriduct, aeriductus n. [L. aer, air; ducere, to lead] (ARTHRO: Insecta) Tubes concerned with respiration, such as internal trachea or breathing tubes.
aeriform a. [Gr. aer, air; L. forma, shape] Of the nature or form of air; gaseous.
aerobe, aerobiont n. [Gr. aer, air; bios, life] An organism utilizing air. aerobiotic a. see anaerobe.
aerobic respiration That which requires oxygen.
aerobiology n. [Gr. aer, air; bios, life; logos, discourse] The study of aerial organisms.
aerobiosis n. [Gr. aer, air; biosis, manner of life] Life in air or oxygen.
aerophore n. [Gr. aer, air; phorein, to bear] (ARTHRO: Insecta) In caterpillars, a hollow hair on the body containing liquid.
aeropyle n. [Gr. aer, air; pyle, orifice] (ARTHRO: Insecta) 1. Rings of cells. 2. In the follicular epithelium, functioning in secretions for chorion formation. 3. Small pores between plastron and spiracles in spiracular gills.
aeroscepsin, aeroscepsy n. [Gr. aer, air; skepsis, observe] The theoretical power possessed by certain organisms of observing the quality of air by means of special sense organs.
aeroscopic plate (ARTHRO: Insecta) The air-containing part of the chorion of an egg.
aerostat n. [Gr. aer, air; statos, placed] (ARTHRO: Insecta) Air sacs in the body.
aerostatic a. [Gr. aer, air; statos, placed] Said of any organism or object that is, by certain means, supported chiefly by buoyancy derived from surrounding air.
aerotaxis n. [Gr. aer, air; taxis, arrangement] Movement of organisms toward or away from oxygen.
aeruginous, aeruginose, aeruginus a. [L. aerugo, copper rust] Nature or color of copper rust or verdigris (green).
aesthacyte, esthacyte n. [Gr. aisthetes, perceiver; kytos, container] A sensory cell of certain primitive organisms.
aesthesia, esthesia n. [Gr. aisthetes, perceiver] Sensibility; sense-perception.
aesthetasc, aesthetask, esthestasc n. [Gr. aisthetes, perceiver; askos, bag] (ARTHRO: Crustacea) Sensory seta covered by a delicate cuticular membrane, often projecting from an antenna or antennule; an olfactory hair.
aesthete, esthete n. [Gr. aisthetes, perceiver] 1. Any invertebrate sense organ. 2. (ARTHRO) Usually applied as sensory nerve endings, but also used for sensory hairs and bristles. 3. (MOLL: Polyplacophora) Sensory organs terminating in the tegmentum. see megalaesthetes, micraesthetes.
aestivate, estivate v. [L. aestas, summer] To pass the summer in a quiet, torpid condition.
aestivation, estivation n. [L. aestas, summer] A form of dormancy during the summer months in high temperatures, or dry seasons. see hibernestivation.
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