sensillum
简明释义
n. 感觉器
复 数 s e n s i l l a
英英释义
A sensillum is a sensory structure found in arthropods and some other organisms, typically involved in the detection of chemical or physical stimuli. | 感器是发现于节肢动物和其他一些生物中的一种感觉结构，通常涉及对化学或物理刺激的检测。 |
单词用法
感觉器形态 | |
感觉器功能 | |
机械感受性感觉器 | |
化学感受性感觉器 |
同义词
反义词
| 无敏感性 | His insensitivity to others' feelings often leads to misunderstandings. | 他对他人感情的无敏感性常常导致误解。 | |
| 漠不关心 | 她对动物困境的漠不关心令人震惊。 |
例句
1.A new biomimetic microsensor modeled on trichoid sensillum of insects which can detect low velocity gas flow is demonstrated.
给出一种基于昆虫毛状感触器的微型仿生传感器，用以测量低速气体流动。
2.A new campaniform sensillum was described for the labial palps, totalling between 12 and 17 located on each labial palp.
文中还记述了下唇须上一种新的钟形感器，其在每个下唇须上的数量大约为12 ~17个。
3.Sensillum trichodeum and sensillum basiconicum, the main chemical odor receptors on antennae of Helicoverpa armigera, consist of cuticular wall, sheath cells, sensillum lymph and dendrites.
透射电镜观察表明，棉铃虫触角上起嗅觉作用的毛形感器和锥形感器均由表皮壁、鞘细胞、感受器淋巴液和感觉神经细胞树突等结构组成。
4.There are a plenty of pores and pore tubules in the cuticle of olfactory sensillum.
嗅感器表皮有微孔和孔道微管。
5.Sensillum trichodeum and sensillum basiconicum, the main chemical odor receptors on antennae of Helicoverpa armigera, consist of cuticular wall, sheath cells, sensillum lymph and dendrites.
透射电镜观察表明，棉铃虫触角上起嗅觉作用的毛形感器和锥形感器均由表皮壁、鞘细胞、感受器淋巴液和感觉神经细胞树突等结构组成。
6.Two specialized epidermal cells and a bipolar neuron are associated with each sensillum.
一个感器联结着两个特化的真皮细胞和一个双极神经元。
7.It was demonstrated that there were two types of olfactory receptor cell in one sensillum trichodeum by the selective adaptation.
选择性适应试验表明，蓖麻蚕雄蛾触角的毛形感器中存在两种不同类型的嗅觉感受细胞。
8.Sensillar diversity of maxillary palpus is similar to the labial palpus except for grooved basiconic sensilla, and that the number of sensillum is different.
比较研究发现下颚须和下唇须上感器类型除了带槽锥形感器以外基本相似，只是数量上有区别。
9.The plate sensillum consists of nerve cells, proximal and distal parts of dendrites, ciliary region, and dendrite branches.
板状感器由神经细胞体、树状突的近端部、纤毛区、树状突的远端部及其分出的分枝等组成。
10.The quantity and distribution of each sensillum, however, were different in different segment of antenna.
不同感器在触角各节上的数量与分布各不同。
11.The insect relies on its sensillum to detect pheromones in the environment.
昆虫依靠它的感器来探测环境中的信息素。
12.Each sensillum can respond to different chemical stimuli, allowing insects to identify food sources.
每个感器可以对不同的化学刺激做出反应，使昆虫能够识别食物来源。
13.In some species, multiple sensilla are clustered together to enhance sensitivity.
在某些物种中，多个感器聚集在一起以增强灵敏度。
14.Researchers found that the sensillum on the antennae of moths is crucial for navigation.
研究人员发现，蛾子触角上的感器对导航至关重要。
15.The structure of the sensillum is adapted for its specific sensory function.
该感器的结构适应了其特定的感官功能。
作文
In the fascinating world of biology, the study of sensory structures in various organisms reveals a great deal about how life interacts with its environment. One such structure is the sensillum, which plays a critical role in the sensory perception of many arthropods, including insects and arachnids. A sensillum (感受器) is a small sensory organ that allows these creatures to detect chemical signals, temperature changes, humidity, and even mechanical stimuli. These sensory organs are vital for survival, helping organisms find food, mates, and avoid predators.The morphology of a sensillum can vary significantly among different species, but they generally consist of a hair-like structure embedded in the exoskeleton. This structure is often surrounded by a socket and is equipped with specialized cells that respond to specific stimuli. For instance, some sensilla are designed to detect pheromones, which are chemical signals used for communication between individuals of the same species. The ability to perceive these chemical cues is essential for mating and social interactions.In addition to pheromone detection, sensilla also play a crucial role in taste and smell. In insects, these organs are often located on the antennae and mouthparts, allowing them to assess their environment effectively. For example, when a butterfly lands on a flower, it uses its sensilla to taste the nectar and determine whether it is a suitable source of food. This sensory feedback is critical for the butterfly's survival, as it helps to optimize foraging behavior.Moreover, sensilla can also be involved in detecting physical changes in the environment. Some species possess sensilla that are sensitive to vibrations or air currents, enabling them to respond to potential threats or opportunities. For instance, a moth may rely on its sensilla to sense the fluttering of a predator’s wings, allowing it to evade capture. This acute sensitivity highlights the evolutionary adaptations that have occurred in these organisms, enhancing their chances of survival in diverse habitats.The study of sensilla has broader implications beyond understanding individual species. Researchers are increasingly interested in how these sensory structures contribute to ecological interactions and evolutionary processes. By examining the diversity of sensilla across different taxa, scientists can gain insights into how sensory capabilities have evolved in response to environmental pressures. This knowledge not only enriches our understanding of biology but also informs conservation efforts aimed at protecting biodiversity.In conclusion, the sensillum (感受器) is a remarkable example of nature's ingenuity, providing organisms with the ability to perceive and interact with their surroundings. Through the study of these sensory organs, we can appreciate the complexity of life and the intricate relationships that exist within ecosystems. As we continue to explore the wonders of biology, the role of sensilla will undoubtedly remain a key area of interest, shedding light on the delicate balance of life on Earth.
