| 词汇 | example_english_cuticle |
| 释义 | Examples of cuticleThese 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. Shed cuticles (2; and 3 and 4 together). The cuticles of the lepidodendrid stem. The structure of insect cuticles. Morphological changes include the coalescence of lipid droplets and the appearance of a hyaline layer beneath the cuticle. Cuticles are often damaged by excessive mechanical manipulation such as brushing, using heat (like using curling irons) or chemical processing (like perms or texturizers). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many plant species, such as cacti, have adaptations such as reduced leaf area and waxy cuticles to enhance their ability to tolerate drought. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fragments of arthropod cuticles are present in between the many palatal teeth of both skulls. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Attachment of endospores to the cuticle of the nematode is the first stage in the infection process. Since this protein does not show turnover, it is suggested that the cuticle surface is a very stable structure. At this stage of development the shed cuticle (3) was much thicker than (2), which at this stage consisted only of the epicuticle. The mine starts in random loops and later fills all space between cuticles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Much of the success of tenebrionid beetles in desert habitats is due to the development of impermeable cuticles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The cuticles bear structures which have been described as representing stomata. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The egg shells and cuticles of the prey are thickened to prevent the parasitoid from penetrating them. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The antennae are almost parallel-sided, and twice as long as their diameter, mounted on small papillae within clear, circular areas of cuticle. Large, smooth leaf shapes with thin cuticles and symmetric distribution of stomata, as well as tropical fern species have been uncovered from these regions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The larvae eat the entire parenchyma, leaving merely the dark discoloured cuticles of the leaf. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In fact spiders and other arthropods have modified their cuticles into elaborate arrays of sensors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Desert plants have specially adapted structures, such as thick cuticles, reduced leaf areas, sunken stomata and hairs to reduce transpiration and conserve water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The endopods (inner branches of the pleopods) are modified into structures with thin, permeable cuticles which act as gills for gas exchange. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Arthropods are characterized by their jointed limbs and cuticles, which are mainly made of -chitin; the cuticles of crustaceans are also biomineralized with calcium carbonate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Body stout, cuticle with conspicuous transverse rings or annuli with posteriorly directed spines. Sand particles adhere to cuticles on its abdomen, thus acting as a natural camouflage if uncovered. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Dormant spores occur on the cuticles of butterflies, in between the butterfly's scales. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Polyesters include naturally occurring chemicals, such as in the cutin of plant cuticles, as well as synthetics through step-growth polymerization such as polybutyrate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A similar situation occurred in conifers, until cuticle studies enabled species to be distinguished on reliable characters. An animal that molted was re-tagged as soon as its cuticle hardened. The cuticle is smooth, devoid of spines, the shining appearance being very noticeable. The cuticle is covered with minute, close-set papillae, and bears numerous setae, approximately 0-02 mm. in length, on both dorsal and ventral surfaces. The cuticle is slightly sclerotized round the opening of the salivary duct. Anterior to the frontal ring are the antennae, which are situated in a circular, clear area of cuticle ; they are sclerotized. During the 3 days development of the specimen, the cuticle is replaced at each of four postembryonic molts. The pore formed at the union of the sheath and gill chamber cuticle is the route by which parasite larvae emerge from the host. In order to penetrate the cuticle of the worms it was necessary to use glass-needles with a sharp point. Invasion of nematodes may have been prevented by the thick cuticle. Freeze-fracture studies of the surface layers on the cuticle of the infective-stage larva have shown that it is two-layered. The hypodermal attachment to the cuticle also differs from that of the adult. Storage of worms in 70% alcohol for up to three weeks tended to soften the cuticle but made its removal difficult without damaging the uterus. Fully developed larvae pressed out of eggs are 430 mm long with amphids and dereids and enclosed within the cuticle of a previous larval stage. The larva is surrounded by the cuticle of the previous larval stage. The cuticle is a multilayered structure that consists primarily of collagens. Where the cuticle is thickened there may be transverse ridges or striation. The separation of the cuticle all along the body is not visible except by artefact (drying of preparation). When cuticles are improperly removed, they are susceptible to microbial and viral infections such as paronychia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The pore connects the sheath with the thin cuticle of the anterodorsal region of the host gill chamber. The leaves have thick cuticles, sunken stomata, dense trichomes, and large hair-like structures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Xerophytic plants such as cactus have very thick cuticles to help them survive in their arid climates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Plants that live in range of sea's spray also may have thicker cuticles that protect them from the toxic effects of salt. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other plants have leaf modifications to reduce water loss, such as needle-shaped leaves, sunken stomata, and thick, waxy cuticles as in the pine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Arthropods also have a wide range of chemical and mechanical sensors, mostly based on modifications of the many setae (bristles) that project through their cuticles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The leaf is thrown into a fold before pupation and the cuticles are folded and corrugated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. After shedding, the parenchymal cells become lignified and die, but the structure of both cuticle and palisade cells is retained. The presence of collagen on the surface of the cuticle of moulting stages of plant parasitic nematodes has been observed for the first time. As water transport mechanisms, and waterproof cuticles, evolved, plants could survive without being continually covered by a film of water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In other words, they grow new but still soft cuticles, then cast off the old one and wait for the new one to harden. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Kinglets are insectivores, preferentially feeding on insects such as aphids and springtails that have soft cuticles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Puparial cuticle is usually entirely pale but is sometimes slightly to moderately pigmented, especially in autumn in temperate regions. The puparial cuticle is usually rather unevenly dusky to brownish, but may be pale. The mine starts as very narrw gallery, but a full-grown larva occupies all space between the cuticles, leaving nothing but a small, empty bladder. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many physiological and biochemical changes associated with diapause can serve to reduce cuticular permeability, notably changes in cuticle structure/composition and in cellular/haemolymph solutes. Following prolonged or repeated feeding bouts, host tissues were consumed and only the empty cuticle of larvae, prepupae or pupae remained. The main difference appears to be in the colour of the cuticle itself rather than the distribution of pubescence. Both larval parasitoids leave a scar on the host cuticle after stinging the larvae. If more than one female was ' first ', one was discarded - the older one if that could be determined by maturation of the cuticle. Inhibition of the enzyme can prevent fungal infection through intact cuticles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Liptinites were originally formed by spores, pollen, dinoflagellate cysts, leaf cuticles, and plant resins and waxes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Inflamed cuticles with closed capillary loops and splitting at the finger-tips can indicate a very severe case of dermatomyosiswith all the cancer risks involved. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The holotype preserves concentrated remains of crustacean cuticles in the area of the abdomen, interpreted as its last meal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Rigid cuticles are often composed of multiple plates, and may bear spines, ridges, or other ornamentation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The nerve cord tissue contained nerve cords as well as surrounding muscle cells and underlying hypodermis and cuticle. However, when antibodies were allowed continuously to bind to the nematode cuticle surface, the inhibitory effect lasted for days. Unfortunately the details of moulting and the formation of the new cuticle remain obscure. The cuticle is a highly complex structure that is important for motility, maintenance of morphology and interactions with the external environment. Emerging third stage juveniles often enclosed in the second stage cuticle. Larvae from naturally hatched eggs are not surrounded by a cuticle. There is a thick cuticle over the upper epidermis. Such cells establish a physical link between muscles and cuticle so that the tension induced by muscle contraction is transmitted to cuticle, allowing locomotion. The palisade parenchyma and thick cuticle thus appear to form the two main structural barriers to desiccation. However, water loss can also occur across the trichomes and the cuticle when stomata are closed. The main structural components of plant cuticles are the unique polymers cutin and/or cutan, impregnated with wax. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The posterior oesophageal region is clavate and the cuticle of the lumen folds to form outlet valves, 'valvulae'. The inner surface of the cuticle is flat except for the wide thickenings along the anticlinal walls of the epidermal cells. Because the copepod's cuticle is quite transparent, storage lipids are clearly visible as round, orange-red or colourless lipid droplets. The cuticle was penetrated by the germination tubes at 45 h post-inoculation, especially in sternal areas and prolegs. As the organism grows, the cuticle formed at each successive stage becomes thicker. The increase in cuticle thickness is propor tional to the increase in body diameter during these stages. In mammalian epidermis and the cuticle of the hair, the ' cornified ' cell envelope also participates in water barrier function. Cuticles minimize water loss and effectively reduce pathogen entry due to their waxy secretion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. All three cast cuticles (2, 3 and 4) can be clearly seen. The supernatant recovered was examined using a microscope to ensure that no larvae or shed cuticles had been transferred. Wellpreserved, non-abraded brachiopods and club-like bryozoans are abundant, whereas gastropods and disarticulated trilobite cuticles are sparse. The excretory system was also implicated at a later stage after the final moult, when the duct became thick walled and appeared to extrude material under the shed cuticles. Pigments occurring in the cuticle are discussed below. The cuticle also exhibits localized areas of hardening which are sometimes delimited by sutures. The cuticle is shining ; the colour on hatching translucent white. Anterior to the mouth there are two small raised sections of the cuticle, each bearing four or five tubercles. Many of the bennettitalean fronds had well-preserved regions of cuticle. Bacteria were also found at some points of interaction between fungus and larval cuticle. In nematodes, collagen is involved in the formation of 2 distinct but essential structures, the basement membrane and the cuticle. The cuticle is covered in the anterior half with minute regularly arranged spines, but these disappear towards the posterior end of the body. 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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