RADIO COMMUNICATIONS ZOOLOGY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site antenna (phys.) A device for collecting or transmitting radio signals, the design of which depends on the wavelength and amplitude of the signals.    • RADIO ASTRONOMY AND COMMUNICATIONS (bio.) Usually one of a pair of many-jointed, whip-like structures present on the head of many arthropods, particularly insects (first appendage on head) and crustaceans(second appendage). Antennae have a sensory function, though in some crustaceans they are used for attachment or swimming.    • ZOOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP