| 词汇 | antennae |
| 释义 | antennae plural ofantenna Examples of antennaeantennae The results show that antennae are necessary for wing induction in the presence of natural enemies. In this paper the hypothesis that the aphids' antennae are crucial for the wing induction in the presence of natural enemies is tested. The antennae are almost parallel-sided, and twice as long as their diameter, mounted on small papillae within clear, circular areas of cuticle. They serve as an excellent subject for trials of a system where each packet is fitted with tiny microchips and antennae. The head-capsule, however, ruptures along two lateral longitudinal lines, thus forming three flaps, the median one bearing the antennae. In insects, olfactory chemoreceptors are generally located on the antennae while gustatory chemoreceptors are located on the palps and around the mouthparts. The wings and antennae extend to the caudal margin of the 4th abdominal segment and segments 5-10 are movable. In the treatments with ablated antennae, the proportion of winged morphs was higher in the first than in the second period. In the presence of a female, the male becomes violently excited and approaches her with wings raised and antennae vibrating. Apparently, the antennae do not play a role in male-on-male mating responses. The indifferent and recording electrodes were placed in the thorax and funiculus of the antennae, respectively. Only beetles with antennae moved significantly more slowly in the mucus, compared with control, zones. In general, beetles spent longer in mucus zones, and presence of antennae appeared to be important to this behaviour. Rudimentary antennae with a single strongly curved and deeply forked spine. Rudimentary antennae with two rather long slender spines placed closely together so that they often appear as a single stout spine. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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