Auditory peg see scolopale

aulaeum n. [Gr. aule, courtyard] (ARTHRO: Insecta) In Diptera, a fringed plate found in the labium of many larvae.

aulostomatous a. [Gr. aulos, pipe; stoma, mouth] Bearing a tubular-shaped mouth.

aurate a. [L. auris, ear] Having ears or ear-like expansions.

aureate a. [L. aurum, gold] Golden yellow in color.

aurelia n. [L. aurum, gold] (ARTHRO: Insecta) A chrysalis or pupa of butterflies.

aurelian n. [L. aurum, gold] (ARTHRO: Insecta) A collector and breeder of butterflies; a lepidopterist.

aureole n. [L. aurum, gold] A circlet of color that dissipates outwardly.

auricle n. [L. auricula, little ear] 1. Any ear-shaped structure or small lobe-like appendage. 2. An atrium or chamber of the heart. 3. (ARTHRO: Insecta) a. In Hymenoptera, a flat plate forming a part of the pollen basket or corbicula of honeybees. b. In Anisoptera, ventrolateral outgrowths of tergum two; oreillets. 4. (CTENO) In Lobata, the four ciliated, delicate lobes projecting from the equatorial level. 5. (MOLL) a. Paired chambers that receive blood from each side of the body. b. In Bivalvia, an earlike protuberance on the dorsal part of the shell. 6. (PLATY: Turbellaria) A blunt lateral chemical receptor. 7. (ROTIF) Paired ciliated lateral coronal projections that aid in swimming. auricular a.

auricular crura (MOLL: Bivalvia) Internal, blunt ridges swelling distally to form low tubercles.

auricularia larva (ECHINOD: Holothuroidea) A free-swimming bilaterally symmetrical larva characterized by the main ciliated band being increased in length due to sinuosity. see dipleurula.

auricular sulcus (MOLL: Bivalvia) A furrow demarcating the auricle from the shell.

auricular valve 1. A mechanism that controls the flow of blood in various invertebrates. 2. (ARTHRO: Insecta) Pouches with incurrent ostioles in the heart that prevent the backflow or escape of hemolymph from this vessel.

auriculate a. [L. auricula, little ear] Bearing an auricle or auricles.

auriculate antennae (ARTHRO: Insecta) An antenna with basal joints expanded into an ear-like cover.

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